GCSE Quiz on pH, ACIDS, BASES/ALKALIS, SALTS and NEUTRALISATION (harder/higher level)

The reaction illustrated produces ...? [ab-1]
1. a salt + water
2. a salt only
3. a salt and hydrogen
4. water only
The type of reaction illustrated is called ...? [ab-2]
1. decomposition
2. neutralisation
3. displacement
4. oxidation
To produce sodium sulphate by the reaction illustrated you need ...? [ab-3]
1. potassium sulphate + sodium hydroxide
2. sodium chloride + sulphuric acid
3. sodium hydroxide + sulphuric acid
4. sodium hydroxide + hydrochloric acid
In the reaction illustrated, in order to add the correct amount of acid you would add a few drops of Universal Indicator and add acid until the indicator in the conical flask was ...? [ab-4]
1. blue
2. orange
3. yellow
4. green
In the reaction illustrated, in order to add the correct amount of acid you would add a few drops of Universal Indicator to the conical flask. If too little acid was added the indicator colour could be? [ab-5]
1. blue
2. orange
3. yellow
4. green
In the reaction illustrated, in order to add the correct amount of acid you would add a few drops of Universal Indicator to the conical flask. If too much acid was added the indicator colour could be? [ab-6]
1. blue
2. orange
3. purple
4. green
To produce potassium chloride by the reaction illustrated you need ...? [ab-7]
1. potassium sulphate + hydrochloric acid
2. sodium chloride + potassium hydroxide
3. potassium hydroxide + hydrochloric acid
4. sodium hydroxide + hydrochloric acid
To produce lithium nitrate by the reaction illustrated you need ...? [ab-8]
1. lithium sulphate + nitric acid
2. sodium nitrate + lithium hydroxide
3. potassium nitrate + lithium hydroxide
4. lithium hydroxide + nitric acid
The diagram shows a method of preparing salts.
Which of the following will forms when a transition metal oxide reacts with hydrochloric acid? [ab-9]
1. transition metal chloride + water
2. transition metal chloride + hydrogen
3. transition metal chloride only
4. water only
The diagram shows a method of preparing salts from reacting an insoluble metal oxide and an acid.
This type of reaction is called? [ab-10]
1. electrolysis
2. neutralisation
3. reduction
4. displacement
The diagram shows a method of preparing salts by reacting an insoluble metal oxide with an acid.
How can you tell when all the acid has been used up before filtering the mixture? [ab-11]
1. universal indicator will give a yellow colour in the acid
2. universal indicator will give a pale blue colour in the acid
3. no more of the metal oxide will dissolve in the acid
4. the solution will go clear
The diagram shows a method of preparing salts.
Which of the following will form a transition metal sulphate and hydrogen? [ab-12]
1. transition metal oxide + sulphuric acid
2. transition metal + sodium sulphate
3. transition metal hydroxide + potassium sulphate
4. transition metal + sulphuric acid
Which is the strongest base or alkali? [ab-13]
1. limewater
2. baking soda
3. vinegar
4. wine
Which is the weakest base or alkali? [ab-14]
1. limewater
2. baking soda
3. vinegar
4. wine
Which is the strongest acid? [ab-15]
1. limewater
2. baking soda
3. vinegar
4. wine
Which is the weakest acid? [ab-16]
1. limewater
2. baking soda
3. vinegar
4. wine
Which of the following can be mixed to form a neutral solution? [ab-17]
1. limewater and fizzy drink
2. baking soda and toothpaste
3. vinegar and wine
4. calomine lotion and common salt
Which of the following can be mixed to form a neutral solution? [ab-18]
1. limewater and washing soda
2. baking soda and wine
3. vinegar and common salt
4. ammonia and limewater
Which of the following can be safely used to treat an acid bee sting? [ab-19]
1. limewater
2. wine
3. calomine lotion
4. common salt
Which of the following can be safely used to treat an alkaline wasp sting? [ab-20]
1. calomine lotion
2. vinegar
3. washing soda
4. common salt
Which of the following is most likely to be part of an ant-acid indigestion medicine? [ab-21]
1. sodium hydrogencarbonate
2. ammonia
3. washing soda
4. limewater
Which of the following is the safest to use to treat an acid nettle sting? [ab-22]
1. wine
2. sodium hydrogencarbonate
3. washing soda
4. limewater
A small amount of a dense white powder was mixed with water in a test tube. Non of the white powder sank to the bottom of the test tube. A few drops of universal indicator were added and the solution turned blue. This meant the white powder was ...? [ab-23]
1. a soluble neutral substance
2. a slightly soluble acid
3. a very soluble alkali
4. a slightly soluble alkali
A small amount of a dense white powder was mixed with water in a test tube. Some of the white powder sank to the bottom of the test tube. A few drops of universal indicator were added and the solution turned blue. This meant the white powder was ...? [ab-24]
1. a soluble neutral substance
2. a slightly soluble acid
3. a very soluble alkali
4. a slightly soluble alkali
A small amount of a dense white powder was mixed with water in a test tube. Non of the white powder sank to the bottom of the test tube. A few drops of universal indicator were added and the solution turned green. This meant the white powder was ...? [ab-25]
1. a soluble neutral substance
2. a slightly soluble acid
3. a slightly soluble neutral substance
4. a slightly soluble alkali
A small amount of a dense white powder was mixed with water in a test tube. Some of the white powder sank to the bottom of the test tube. A few drops of universal indicator were added and the solution turned green. This meant the white powder was ...? [ab-26]
1. a soluble acidic substance
2. a slightly soluble neutral substance
3. a soluble acidicl substance
4. a slightly soluble alkali
A small amount of a dense white powder was mixed with water in a test tube. Non of the white powder sank to the bottom of the test tube. A few drops of universal indicator were added and the solution turned orange. This meant the white powder was ...? [ab-26]
1. a soluble weak alkali
2. a very soluble neutral substance
3. a soluble weak acid
4. a slightly soluble strong acid
A small amount of a dense white powder was mixed with water in a test tube. Some of the white powder sank to the bottom of the test tube. A few drops of universal indicator were added and the solution turned red. This meant the white powder was ...? [ab-26]
1. a soluble weak alkali
2. a slightly soluble neutral substance
3. a soluble weak acid
4. a slightly soluble strong acid
Which of the following is the pH of a strong acid? [ab-49]
1. pH 1
2. pH 14
3. pH 5
4. pH 9
Which of the following is the pH of a strong alkali? [ab-50]
1. pH 1
2. pH 14
3. pH 5
4. pH 9
Which of the following is the pH of a weak acid? [ab-51]
1. pH 1
2. pH 14
3. pH 5
4. pH 9
Which of the following is the pH of a weak alkali? [ab-52]
1. pH 1
2. pH 14
3. pH 5
4. pH 9
When dilute nitric acid reacts with sodium hydroxide the products are? [ab-53]
1. sodium nitrate + water
2. sodium nitrate + hydrogen
3. sodium hydride + hydrogen nitrate
4. sodium nitrite + oxygen
dilute acid X + copper(II) carbonate ==> copper(II) sulphate + water + carbon dioxide. Acid X is? [ab-54]
1. nitric acid
2. sulphuric acid
3. sulphurous acid
4. hydrochloric acid
dilute acid X + magnesium hydroxide ==> magnesium chloride + water. Acid X is? [ab-55]
1. ammonium chlorate
2. sulphuric acid
3. hydrochloric acid
4. chloric acid
magnesium + dilute acid X ==> magnesium nitrate + hydrogen. Acid X is? [ab-56]
1. ammonium nitrate
2. nitrogen dioxide
3. nitrous acid
4. nitric acid
When hydrochloric acid is added to copper carbonate, the gas bubbles formed can be identified by? [ab-57]
1. burning with a squeaky pop
2. turning limewater cloudy
3. relighting a glowing splint
4. turning blue litmus red and then bleaching it
When sulphuric acid is added to zinc, the gas bubbles formed can be identified by? [ab-58]
1. burning with a squeaky pop
2. turning limewater cloudy
3. relighting a glowing splint
4. turning blue litmus red and then bleaching it
An iron tray was cleaned with dilute hydrochloric acid and bubbles formed. The gas formed was? [ab-59]
1. oxygen
2. chlorine
3. hydrogen
4. carbon dioxide
A carbonate mineral rock was tested with dilute sulphuric acid and bubbles formed. The gas formed was? [ab-60]
1. carbon monoxide
2. sulphur dioxide
3. hydrogen
4. carbon dioxide
Dilute sulphuric acid will only form one product when reacted with? [ab-61]
1. ammonia
2. copper
3. magnesium oxide
4. zinc carbonate
Dilute sulphuric acid will not readily react with? [ab-62]
1. ammonia
2. copper
3. magnesium oxide
4. zinc carbonate
Which will form a salt and water when reacted with dilute hydrochloric acid? [ab-63]
1. ammonia
2. copper
3. magnesium oxide
4. zinc carbonate
Which will form a salt, water and carbon dioxide when reacted with dilute hydrochloric acid? [ab-64]
1. ammonia
2. copper
3. magnesium oxide
4. zinc carbonate
Which of these reactants is the best combination to use to make magnesium sulphate? [ab-65]
1. magnesium oxide + sulphuric acid
2. magnesium chloride + sodium sulphate
3. sulphuric acid + magnesium chloride
4. magnesium nitrate + sulphuric acid
Which of these reactants is the best combination to use to make zinc nitrate? [ab-66]
1. zinc chloride + nitric acid
2. nitric acid + zinc hydroxide
3. nitric acid + zinc sulphate
4. zinc oxide + nitrous acid
Which of these reactants is the best combination to use to make copper(II) sulphate? [ab-67]
1. copper + sulphuric acid
2. copper(II) chloride + sodium sulphate
3. copper(II) oxide + sulphuric acid
4. copper(II) nitrate + sodium chloride
Which of these reactants is the best combination to use to make zinc chloride? [ab-68]
1. calcium chloride + zinc carbonate
2. zinc nitrate + hydrochloric acid
3. sodium chloride + zinc oxide
4. zinc carbonate + hydrochloric acid
The diagram shows the preparation of a salt. Which word applies to stages 1-2? [ab-69]
1. neutralisation
2. filtration
3. evaporation
4. condensation
The diagram shows the preparation of a salt. Which word applies to stage 3? [ab-70]
1. neutralisation
2. filtration
3. evaporation
4. condensation
The diagram shows the preparation of a salt. Which word describes the change from 3 to 4? [ab-71]
1. neutralisation
2. filtration
3. evaporation
4. condensation
The diagram shows the preparation of a salt. Which word describes stage 4? [ab-72]
1. neutralisation
2. filtration
3. evaporation
4. crystallisation
The diagram shows the preparation of a salt using a solid and an acid. Which is true concerning this method? [ab-73]
1. the solid can be an insoluble base
2. it is not a neutralisation reaction
3. you cannot use an insoluble carbonate
4. the solid must be an alkali
The diagram shows the preparation of a salt. Which word means a 'soluble base'? [ab-74]
1. oxide
2. alkali
3. hydroxide
4. indicator
The diagram shows a method of salt preparation. Which statement is true about the method? [ab-75]
1. the method uses an insoluble base
2. the acid must be in the burette and the alkali in the flask
3. the neutralisation point is detected with an indicator
4. the salt will precipitate at the neutralisation point
The diagram shows one method of salt preparation. Which statement is true about the method illustrated? [ab-76]
1. the salt will precipitate at the neutralisation point
2. an alkali is used
3. the neutralisation point is detected with an indicator
4. the method uses an insoluble base
Complete the word equation:
zinc oxide + hydrochloric acid ==> ..???.. [ab-77]
1. zinc chloride + hydrogen
2. zinc hydrochloride + water
3. zinc chloride + water
4. zinc hydrochloride chloride + water + carbon dioxide
Complete the word equation:
zinc hydroxide + hydrochloric acid ==> ..???.. [ab-78]
1. zinc hydrochloride + water
2. zinc chloride + water + carbon dioxide
3. zinc hydrochloride + hydrogen
4. zinc chloride + water
Complete the word equation:
zinc + hydrochloric acid ==> ..???.. [ab-79]
1. zinc chloride + hydrogen
2. zinc chloride + water
3. zinc hydrochloride + hydrogen
4. zinc hydrochloride + water
Complete the word equation:
zinc carbonate + hydrochloric acid ==> ..???.. [ab-80]
1. zinc hydrochloride + water
2. zinc chloride + water + carbon dioxide
3. zinc hydrochloride + hydrogen
4. zinc chloride + carbon dioxide
Complete the word equation:
nickel + sulphuric acid ==> ..???.. [ab-81]
1. nickel sulphate + hydrogen
2. nickel sulphate + water
3. nickel sulphite + water
4. nichel sulphite + hydrogen
Complete the word equation:
nickel oxide + sulphuric acid ==> ..???.. [ab-82]
1. nickel sulphate + hydrogen
2. nickel sulphate + water
3. nickel sulphite + water
4. nichel sulphite + hydrogen
Complete the word equation:
nickel hydroxide + sulphuric acid ==> ..???.. [ab-83]
1. nickel sulphate + hydrogen
2. nickel sulphite + water
3. nickel sulphate + water
4. nichel sulphite + hydrogen
Complete the word equation:
nickel carbonate + sulphuric acid ==> ..???.. [ab-84]
1. nickel sulphate + carbon dioxide
2. nickel sulphite + water
3. nickel sulphate + water
4. nichel sulphate + water + carbon dioxide
Complete the word equation:
ammonia + sulphuric acid ==> ..???.. [ab-85]
1. ammonium sulphate
2. ammonia sulphate
3. ammonium hydrogensulphate
4. ammonia sulphite
Complete the word equation:
ammonia + hydrochloric acid ==> ..???.. [ab-86]
1. ammonia chloride
2. ammonium chloride
3. ammonium hydrochloride
4. ammonia hydrochloride
Complete the word equation:
ammonia + nitric acid ==> ..???.. [ab-87]
1. ammonia nitrite
2. ammonium nitrite
3. ammonium nitrate
4. ammonia hydrogennitrate
Complete the word equation:
sodium hydroxide + sulphuric acid ===> ..???.. [ab-88]
1. sodium sulphate
2. sodium sulphate + hydrogen
3. sodium hydrogensulphite + water
4. sodium sulphate + water
Given the following neutralisation equation:
NaOH_(aq) + HCl_(aq) ==> NaCl_(aq) + H₂O_(l)
Which is the alkali? [ab-89]
1. NaOH
2. HCl
3. NaCl
4. H₂O
Given the following neutralisation equation:
NaOH_(aq) + HCl_(aq) ==> NaCl_(aq) + H₂O_(l)
Which is the acid? [ab-90]
1. NaOH
2. HCl
3. NaCl
4. H₂O
Given the following neutralisation equation:
NaOH_(aq) + HCl_(aq) ==> NaCl_(aq) + H₂O_(l)
Which is the salt? [ab-91]
1. NaOH
2. HCl
3. NaCl
4. H₂O
Given the following neutralisation equation:
NaOH_(aq) + HCl_(aq) ==> NaCl_(aq) + H₂O_(l)
Which is the base? [ab-92]
1. H₂O
2. HCl
3. NaCl
4. NaOH
Which two reactants would you use to make potassium nitrate? [ab-101]
1. nitric acid and potassium hydroxide
2. sodium nitate and potassium chloride
3. sulphuric acid and sodium nitrate
4. nitric acid and sodium hydroxide
Insoluble metal oxides and metal hydroxides (bases) will not dissolve to form an alkaline solution. But they will dissolve in acids to give the same reaction as with alkalis. This method is particularly handy for making transition metal salts. Which reaction will produce a transition metal chloride and hydrogen? [ab-102]
1. transition metal oxide + sodium chloride
2. transition metal + hydrochloric acid
3. transition metal hydroxide + hydrochloric acid
4. transition metal + sulphuric acid
Insoluble metal oxides and metal hydroxides (bases) will not dissolve to form an alkaline solution. But they will dissolve in acids to give the same reaction as with alkalis. This method is particularly handy for making transition metal salts. When sufficient base has been added so that no more dissolves, how is the excess base removed? [ab-103]
1. boiling
2. distillation
3. filtration
4. crystallisation
Insoluble metal oxides and metal hydroxides (bases) will not dissolve to form an alkaline solution. But they will dissolve in acids to give the same reaction as with alkalis. This method is particularly handy for making transition metal salts. When sufficient base has been added so that no more dissolves. How could you test that all the acid was neutralised? [ab-104]
1. see if crystals form on evaporating the solution
2. see if the solution is clear
3. measure the boiling point of the solution
4. use indicator paper
Insoluble bases and metals will not dissolve to form an alkaline solution, but they will dissolve in acids to form salts. This method is particularly handy for making transition metal salts. What pair of chemicals will make cobalt sulphate and water? [ab-105]
1. cobalt oxide + sulphuric acid
2. cobalt + hydrochloric acid
3. cobalt + nitric acid
4. cobalt hydroxide + nitric acid
Insoluble bases and metals will not dissolve to form an alkaline solution, but they will dissolve in acids to form salts. This method is particularly handy for making transition metal salts. What pair of chemicals will make cobalt chloride and hydrogen? [ab-106]
1. cobalt oxide + sulphuric acid
2. cobalt + hydrochloric acid
3. cobalt hydroxide + sodium chloride
4. cobalt hydroxide + nitric acid
Which two reactants make ammonium chloride and water? [ab-107]
1. ammonium sulphate and hydrochloric acid
2. ammonium hydroxide and sodium chloride
3. ammonium hydroxide and hydrochloric acid
4. ammonia and potassium chloride
Which of these gives an alkaline solution when dissolved in water? [ab-108]
1. aluminium hydroxide
2. copper hydroxide
3. iron hydroxide
4. ammonia (ammonium hydroxide)
Which of these gives an alkaline solution when dissolved in water? [ab-109]
1. sodium hydroxide
2. copper hydroxide
3. iron hydroxide
4. aluminium hydroxide
Which of these gives an alkaline solution when dissolved in water? [ab-109]
1. nickel hydroxide
2. potassium hydroxide
3. iron hydroxide
4. magnesium hydroxide
Which of A to D completes the equation ..?.. [ab-111]
..?.. + potassium hydroxide ==> potassium sulphate + water
1. potassium nitrate
2. calcium hydroxide
3. sulphuric acid
4. sodium chloride
Which of A to D completes the equation ..?.. [ab-112]
hydrochloric acid + sodium hydroxide ==> ..?.. + water
1. sodium sulphate
2. potassium chloride
3. calcium chloride
4. sodium chloride
Which of A to D completes the equation ..?.. [ab-113]
..?.. + nitric acid ==> ammonium nitrate
1. ammonia (ammonium hydroxide)
2. calcium hydroxide
3. ammonium sulphate
4. sodium nitrate
Which of A to D completes the equation ..?.. [ab-114]
sulphuric acid + ..?.. ==> calcium sulphate + water
1. ammonia sulphate
2. calcium hydroxide
3. calcium chloride
4. sodium sulphate
Which quantities a, b, c and d are required to balance the equation ... (note that '1's would not be shown in the equation)
a Zn_(s) + b HCl_(aq) ==> c ZnCl_2(aq) + d H_2(g) ? [ab-29]
1. 1 2 1 1
2. 2 2 2 1
3. 2 1 1 2
4. 1 1 2 2
Which quantities a, b, c and d are required to balance the equation ... (note that '1's would not be shown in the equation)
a Fe_(s) + b H₂SO_4(aq) ==> c FeSO_4(aq) + d H_2(g) ? [ab-30]
1. 1 1 1 2
2. 1 1 1 1
3. 2 2 2 1
4. 2 1 2 2
Which quantities a, b, c and d are required to balance the equation ... (note that '1's would not be shown in the equation)
a Al_(s) + b HCl_(aq) ==> c AlCl_3(aq) + d H_2(g) ? [ab-31]
1. 1 6 3 2
2. 2 3 2 3
3. 2 6 2 3
4. 1 3 3 2
Which quantities a, b, c and d are required to balance the equation ... (note that '1's would not be shown in the equation)
a Al_(s) + b H₂SO_4(aq) ==> c Al₂(SO₄)_3(aq) + d H_2(g) ? [ab-32]
1. 1 3 1 3
2. 2 3 2 3
3. 1 2 2 2
4. 2 3 1 3
Which quantities a, b, c, d and e are required to balance the equation ... (note that '1's would not be shown in the equation)
a CaCO_3(s) + b HCl_(aq) ==> c CaCl_2(aq) + d H₂O_(l) + e CO_2(g) ? [ab-33]
1. 1 2 1 1 1
2. 2 2 1 2 1
3. 1 1 1 1 1
4. 2 1 2 2 2
Which quantities a, b, c, d and e are required to balance the equation ... (note that '1's would not be shown in the equation)
a Na₂CO_3(s) + b HCl_(aq) ==> c NaCl_(aq) + d H₂O_(l) + e CO_2(g) ? [ab-34]
1. 1 4 4 2 2
2. 1 2 2 1 1
3. 2 2 4 2 2
4. 2 2 2 1 1
Which quantities a, b, c, d and e are required to balance the equation ... (note that '1's would not be shown in the equation)
a Tl₂(CO₃)_3(s) + b HCl_(aq) ==> c TlCl_3(aq) + d H₂O_(l) + e CO_2(g) ? [ab-35]
1. 2 6 4 3 6
2. 1 3 2 6 2
3. 1 6 2 3 3
4. 2 3 4 3 6
Which quantities a, b, c, d and e are required to balance the equation ... (note that '1's would not be shown in the equation)
a Tl₂(CO₃)_3(s) + b H₂SO_4(aq) ==> c Tl₂(SO₄)_3(aq) + d H₂O_(l) + e CO_2(g) ? [ab-36]
1. 2 6 4 3 6
2. 1 3 2 6 6
3. 1 6 2 6 3
4. 1 3 1 3 3
Which quantities a, b, c and d are required to balance the equation ... (note that '1's would not be shown in the equation)
a NaOH_(aq) + b HCl_(aq) ==> c NaCl_(aq) + d H₂O_(l) ? [ab-37]
1. 1 1 1 1
2. 1 2 2 1
3. 2 1 1 2
4. 1 2 1 1
Which quantities a, b, c and d are required to balance the equation ... (note that '1's would not be shown in the equation)
a Ca(OH)_2(aq) + b HCl_(aq) ==> c CaCl_2(aq) + d H₂O_(l) ? [ab-38]
1. 1 2 1 1
2. 1 2 1 2
3. 2 1 1 2
4. 2 2 2 1
Which quantities a, b, c and d are required to balance the equation ... (note that '1's would not be shown in the equation)
a Al(OH)_3(s) + b HCl_(aq) ==> c AlCl_3(aq) + d H₂O_(l) ? [ab-39]
1. 2 6 2 3
2. 1 6 2 6
3. 1 3 1 3
4. 2 3 2 3
Which quantities a, b, c and d are required to balance the equation ... (note that '1's would not be shown in the equation)
a Fe₂O_3(s) + b HCl_(aq) ==> c FeCl_3(aq) + d H₂O_(l) ? [ab-40]
1. 2 6 2 3
2. 1 6 2 6
3. 1 3 1 3
4. 1 6 2 3
Which quantities a, b, c and d are required to balance the equation ... (note that '1's would not be shown in the equation)
a MgO_(s) + b HCl_(aq) ==> c MgCl_2(aq) + d H₂O_(l) ? [ab-41]
1. 1 2 1 1
2. 1 1 1 1
3. 2 2 1 2
4. 1 4 1 2
Which quantities a, b, c and d are required to balance the equation ... (note that '1's would not be shown in the equation)
a Mg(OH)_2(s) + b H₂SO_4(aq) ==> c MgSO_4(aq) + d H₂O_(l) ? [ab-42]
1. 1 2 1 1
2. 1 1 1 2
3. 2 2 1 2
4. 1 4 1 2
Which quantities a, b, c and d are required to balance the equation ... (note that '1's would not be shown in the equation)
a Li₂O_(s) + b HCl_(aq) ==> c LiCl_(aq) + d H₂O_(l) ? [ab-43]
1. 1 2 1 1
2. 1 1 1 1
3. 1 2 2 1
4. 1 2 1 2
Which quantities a, b, c and d are required to balance the equation ... (note that '1's would not be shown in the equation)
a KOH_(aq) + b H₂SO_4(aq) ==> c K₂SO_4(aq) + d H₂O_(l) ? [ab-44]
1. 1 2 1 1
2. 1 1 1 1
3. 2 2 1 2
4. 2 1 1 2
Which ions do acids always produce in water? [ab-45]
1. H⁺
2. OH^-
3. H₂⁺
4. O^2-
Which ions do alkalis always produce in water? [ab-46]
1. H⁺
2. OH^-
3. H₂⁺
4. O^2-
Which is the correct ionic equation for the neutralisation of an acid and an alkali? [ab-47]
1. 2H⁺_(aq) + O^2-_(aq) ==> 2H₂O_(l)
2. H^-_(aq) + OH⁺_(aq) ==> H₂O_(l)
3. H⁺_(aq) + OH^-_(aq) ==> H₂O_(l)
4. 4H⁺_(aq) + O^2-_(aq) ==> 2H₂O_(l)
When hydrochloric acid is neutralised with sodium hydroxide, which two ions have the highest concentrations in the resulting mixture? [ab-48]
1. H⁺ and OH^-
2. Na⁺ and OH^-
3. H⁺ and Cl^-
4. Na⁺ and Cl^-
Complete the symbol equation:
NH₃ + HCl ==> ...???... [ab-93]
1. NH₄Cl
2. NH₃HCl
3. NH₃Cl
4. NH₃
Complete the symbol equation:
NH₃ + HNO₃ ==> ...???... [ab-94]
1. NH₃HNO₃
2. NH₄NO₃
3. NH₃NO₃
4. NH₄HNO₃
Complete the symbol equation:
2NH₃ + H₂SO₄ ==> ...???... [ab-95]
1. (NH₃)₂HSO₄
2. NH₄₂SO₄
3. (NH₄)₂SO₄
4. NH₄HSO₄
Given the symbol equation:
MgO + 2HCl ==> ???? + H₂O
What is the missing ???? [ab-96]
1. MgCl
2. Mg₂Cl
3. 2MgCl
4. MgCl₂
Given the symbol equation:
Ca(OH)₂ + H₂SO₄ ==> CaSO₄ + ????
What is the missing ???? [ab-97]
1. 2H₂O
2. H₂O
3. 2H₂
4. H₂O₂
Given the symbol equation:
???? + 2HNO₃ ==> Zn(NO₃)₂ + H₂O + CO₂
What is the missing ???? [ab-98]
1. Zn(OH)₂
2. ZnCO₃
3. ZnHCO₃
4. ZnCO₂
Given the symbol equation:
Fe + H₂SO₄ ==> FeSO₄ + ????
What is the missing ???? [ab-99]
1. H₂O
2. HO₂
3. H₂
4. 2H₂
Given the symbol equation:
Na₂CO₃ + 2HCl ==> ???? + H₂O + CO₂
What is the missing ???? [ab-100]
1. NaCl
2. Na₂Cl₂
3. NaCl
4. 2NaCl
The equation shows the formation of sodium sulphate when sodium hydroxide neutralises sulphuric acid ....
H2SO4 + 2NaOH ==> Na2SO4 + 2H2O
An acid salt called sodium hydrogensulphate can also be made ...
H2SO4 + NaOH ==> NaHSO4 + H2O
50 cm3 of a sulphuric acid solution was neutralised by 20 cm3 of a sodium hydroxide solution to make sodium sulphate. What volume of sodium hydroxide solution is needed to form sodium hydrogensulphate from the 50cm3 of sulphuric acid? [ab-115]
1. 10 cm3
2. 15 cm3
3. 20 cm3
4. 25 cm3
The equation shows the formation of sodium sulphate when sodium hydroxide neutralises sulphuric acid ....
H2SO4 + 2NaOH ==> Na2SO4 + 2H2O
An acid salt called sodium hydrogensulphate can also be made ...
H2SO4 + NaOH ==> NaHSO4 + H2O
100 cm3 of a sulphuric acid solution was neutralised by 40 cm3 of a sodium hydroxide solution to make sodium sulphate. What volume of sodium hydroxide solution is needed to form sodium hydrogensulphate from the 100cm3 of sulphuric acid? [ab-116]
1. 10 cm3
2. 20 cm3
3. 50 cm3
4. 200 cm3
The equation shows the formation of sodium sulphate when sodium hydroxide neutralises sulphuric acid ....
H2SO4 + 2NaOH ==> Na2SO4 + 2H2O
An acid salt called sodium hydrogensulphate can also be made ...
H2SO4 + NaOH ==> NaHSO4 + H2O
70 cm3 of a sulphuric acid solution was neutralised by 15 cm3 of a sodium hydroxide solution to make sodium hydrogensulphate. What volume of sodium hydroxide solution is needed to form sodium sulphate from the 70cm3 of sulphuric acid? [ab-117]
1. 35 cm3
2. 20 cm3
3. 30 cm3
4. 40 cm3
The equation shows the formation of sodium sulphate when sodium hydroxide neutralises sulphuric acid ....
H2SO4 + 2NaOH ==> Na2SO4 + 2H2O
An acid salt called sodium hydrogensulphate can also be made ...
H2SO4 + NaOH ==> NaHSO4 + H2O
80 cm3 of a sulphuric acid solution was neutralised by 25 cm3 of a sodium hydroxide solution to make sodium hydrogensulphate. What volume of sodium hydroxide solution is needed to form sodium sulphate from the 80cm3 of sulphuric acid? [ab-118]
1. 40 cm3
2. 20 cm3
3. 25 cm3
4. 50 cm3
Method 1 (left)
Method 2 (above)
The diagrams show two ways of making a salt. Method 1 cannot be used for making transition metal salts because transition metal oxides or hydroxides are ..?.. [ab-119]
1. insoluble in water
2. too coloured to follow the reaction
3. unreactive with acids
4. not bases
Which of the following statements about acids and alkalis is TRUE? [ab-120]
1. hydrogen ions make sodium hydroxide solution alkaline
2. ammonium hydroxide is alkaline due to the presence of OH- ions
3. sulphuric acid is acid because it contains H- ions
4. hydrochloric acid solution is acidic because it contains hydroxide ions
Which of the following statements about acids and alkalis is TRUE? [ab-121]
1. hydrogen ions make sodium hydroxide solution alkaline
2. ammonium hydroxide is alkaline due to the presence of OH+ ions
3. sulphuric acid is acid because it contains H+ ions
4. hydrochloric acid solution is acidic because it contains hydroxide ions
Which of the following statements about acids and alkalis is TRUE? [ab-122]
1. the presence of oxide ions make sodium hydroxide solution alkaline
2. ammonium hydroxide is alkaline due to the presence of OH+ ions
3. sulphuric acid is acid because it contains H- ions
4. hydrochloric acid solution is acidic because it contains hydrogen ions
Which of the following statements about acids and alkalis is TRUE? [ab-123]
1. hydroxide ions make sodium hydroxide solution alkaline
2. ammonium hydroxide is alkaline due to the presence of OH+ ions
3. sulphuric acid is acid because it contains H- ions
4. hydrochloric acid solution is acidic because it contains hydride ions
What word specifically means 'a soluble base'? [ab-124]
1. acid
2. alkali
3. salt
4. dissolves
A molecule of hydrobromic acid (HBr) has one hydrogen that can be replaced by a metal to form a salt. Some acids have two hydrogens that can be replaced. If both hydrogens are replaced the 'normal' salt is formed. If one hydrogen only is replaced, an 'acid' salt is formed. Which of the following can form an acid salt? [ab-125]
1. nitric acid, HNO3
2. hydrochloric acid, HCl
3. carbonic acid, H2CO3
4. hydroiodic acid, HI
A molecule of hydrobromic acid (HBr) has one hydrogen that can be replaced by a metal to form a salt. Some acids have two hydrogens that can be replaced. If both hydrogens are replaced the 'normal' salt is formed. If one hydrogen only is replaced, an 'acid' salt is formed. Which of the following can form an acid salt? [ab-126]
1. nitric acid, HNO3
2. hydrochloric acid, HCl
3. hydroiodic acid, HI
4. sulphuric acid, H2SO4
When hydrochloric acid is neutralised with sodium hydroxide, which two ions have the lowest concentrations in the resulting mixture? [ab-127]
1. H⁺ and OH^-
2. Na⁺ and OH^-
3. H⁺ and Cl^-
4. Na⁺ and Cl^-

GCSE Quiz on pH, ACIDS, BASES/ALKALIS, SALTS and NEUTRALISATION (harder/higher level)

* Click [?] A-D choice, read any feedback. * pH Acids, Bases, Salts and Neutralisation Notes * AQA * CCEA * Edexcel * OCR 21stC * OCR Gateway * WJEC * EMAIL comment?query - quote Q ref [ab-xx] * Doc Brown Chemistry updated 06-06-09 *