GCSE/IGCSE random m/c QUIZ on REVERSIBLE REACTIONS, AMMONIA, its SYNTHESIS and USES (harder/higher level HT tier)

This means a chemical reaction is? [am-1]
1. reversible
2. exothermic
3. endothermic
4. decomposition
A reaction which gives out heat to the surroundings is described as? [am-2]
1. reversible
2. exothermic
3. endothermic
4. decomposition
A reaction which takes in heat from the surroundings is described as? [am-3]
1. reversible
2. exothermic
3. endothermic
4. decomposition
For a chemical reaction, the word 'reversible' means? [am-4]
1. heat is alternately given out and taken in as the reaction proceeds
2. reactants can only be converted to products
3. the products and reactants of a reaction are in a state of balance
4. products can be readily converted back to reactants
A + B C + D
For the type of reaction shown above, which statement is TRUE? [am-5]
1. from left to right is called the forward reaction
2. from right to left is called the equilibrium reaction
3. if left to right is exothermic, from right to left is also exothermic
4. if left to right is endothermic, from right to left is also endothermic
A + B C + D
For the type of reaction shown above, which statement is TRUE? [am-6]
1. from left to right is called the reversible reaction
2. from right to left is called the backward reaction
3. if left to right is exothermic, from right to left is also exothermic
4. if left to right is endothermic, from right to left is also endothermic
A + B C + D
For the type of reaction shown above, which statement is TRUE? [am-7]
1. from left to right is called the reversible reaction
2. from right to left is called the equilibrium reaction
3. if left to right is exothermic, from right to left is endothermic
4. if left to right is endothermic, from right to left is also endothermic
A + B C + D
For the type of reaction shown above, which statement is TRUE? [am-7]
1. from left to right is called the reversible reaction
2. from right to left is called the equilibrium reaction
3. if left to right is exothermic, from right to left is also exothermic
4. if left to right is endothermic, from right to left is exothermic
The equation shows the effect of heat on the salt ammonium chloride. Which statement is TRUE about this reversible reaction? [am-9]
1. the gases formed are colourless
2. the formation of the solid is endothermic
3. ammonium gas is formed
4. chloride gas is formed
The equation shows the effect of heat on the salt ammonium chloride. Which statement is TRUE about this reversible reaction? [am-10]
1. the gases formed are colourless and green
2. the formation of the solid is exothermic
3. ammonium gas is formed
4. chloride gas is formed
The equation shows the effect of heat on the salt ammonium chloride. Which statement is TRUE about this reversible reaction? [am-11]
1. the gases formed are colourless and green
2. the formation of the solid is endothermic
3. ammonia gas is formed
4. chloride gas is formed
The equation shows the effect of heat on the salt ammonium chloride. Which statement is TRUE about this reversible reaction? [am-12]
1. the gases formed are colourless and green
2. the formation of the solid is endothermic
3. ammonium gas is formed
4. hydrogen chloride gas is formed
The equation shows the effect of heat on the salt ammonium chloride. Which statement is TRUE about this reversible reaction? [am-13]
1. the gases are formed by an endothermic reaction
2. the formation of the solid is a decomposition reaction
3. ammonium gas is formed
4. chloride gas is formed
The equation shows the effect of heat on the salt hydrated copper(II) sulphate. Which statement is TRUE about this reversible reaction? [am-14]
1. the forward reaction (L to R) is exothermic
2. on heating, the hydrated solid changes colour from blue to white
3. the heating effect can be used as a test for water
4. the reaction is not reversible
The equation shows the effect of heat on the salt hydrated copper(II) sulphate. Which statement is TRUE about this reversible reaction? [am-15]
1. the forward reaction (L to R) is exothermic
2. on heating, the hydrated solid changes colour from white to blue
3. the reverse reaction can be used as a test for water
4. the reaction is not reversible
The equation shows the effect of heat on the salt hydrated copper(II) sulphate. Which statement is TRUE about this reversible reaction? [am-16]
1. the forward reaction (L to R) is exothermic
2. on heating, the hydrated solid changes colour from white to blue
3. the heating effect can be used as a test for water
4. the reaction is reversible
The equation shows the effect of heat on the salt hydrated copper(II) sulphate. Which statement is TRUE about this reversible reaction? [am-17]
1. the forward reaction (L to R) is endothermic
2. on cooling the heated solid and adding water, it changes colour from blue to white
3. the heating effect can be used as a test for water
4. the reaction is not reversible
The equation shows the effect of heat on the salt hydrated copper(II) sulphate. Which statement is TRUE about this reversible reaction? [am-18]
1. the reverse reaction (R to L) is endothermic
2. on cooling the heated solid and adding water, it changes colour from white to blue
3. the heating effect can be used as a test for water
4. the reaction is not reversible
The equation shows the effect of heat on the salt hydrated copper(II) sulphate. Which statement is TRUE about this reversible reaction? [am-19]
1. the forward reaction (L to R) is exothermic
2. on cooling the heated solid and adding water, it changes colour from blue to white
3. the reverse reaction (R to L) is exothermic
4. the heating effect can be used as a test for water
The equation shows the effect of heat on the salt hydrated copper(II) sulphate. Which statement is TRUE about this reversible reaction? [am-20]
1. the forward reaction (L to R) is exothermic
2. on cooling the heated solid and adding water, it changes colour from blue to white
3. the reverse reaction (R to L) is endothermic
4. the heating effect can be used to make anhydrous copper(II) sulphate
If J is nitrogen, what is raw material E? [am-21]
1. air
2. water
3. methane
4. nitrogen monoxide
If E is air, gas J is? [am-22]
1. oxygen
2. nitrogen
3. methane
4. nitrogen monoxide
If G is methane and water, gas L is? [am-23]
1. oxygen
2. nitrogen
3. hydrogen
4. nitrogen monoxide
If L is hydrogen, raw materials G are? [am-24]
1. water and carbon dioxide
2. nitrogen and hydrogen
3. methane and oxygen
4. water and methane (natural gas)
Catalyst M is? [am-25]
1. iron
2. platinum
3. manganese dioxide
4. devarda's alloy
Gas Q is? [am-26]
1. carbon monoxide
2. nitrogen monoxide
3. hydrogen
4. nitrogen
Acid R is? [am-27]
1. hydrochloric acid
2. ethanoic acid
3. nitric acid
4. sulphuric acid
Acid W is? [am-28]
1. hydrochloric acid
2. ethanoic acid
3. nitric acid
4. sulphuric acid
Salt T is? [am-29]
1. ammonium nitrate
2. sodium nitrate
3. ammonium chloride
4. sodium amide
After the gases are cooled and compressed, the ammoina separates by? [am-30]
1. crystallisation
2. condensation
3. distillation
4. filtration
Which is used as an artificial fertiliser? [am-31]
1. nitric acid
2. sodium sulphate
3. ammonium sulphate
4. ammonium hydroxide
Which is used as an artificial fertiliser? [am-32]
1. nitric acid
2. sodium sulphate
3. ammonium hydroxide
4. ammonium nitrate
Which of the following is nitrogen gas? [am-33]
Which of the following is ammonia gas? [am-34]
Which of the following is methane gas? [am-35]
Which of the following is a nitrogen oxide? [am-36]
Which of the following is nitric acid? [am-37]
Which of the following is ammonium sulphate? [am-38]
Which of the following is ammonium nitrate? [am-39]
Which of the following is sulphuric acid? [am-40]
How many different elements make ammonium nitrate? [am-41]
1. 3
2. 9
3. 4
4. 6
How many atoms make up the formula of ammonium nitrate? [am-42]
1. 3
2. 9
3. 4
4. 6
How many different elements make up ammonium sulphate? [am-43]
1. 3
2. 5
3. 4
4. 6
How many atoms make up the formula of ammonium sulphate? [am-44]
1. 4
2. 7
3. 11
4. 15
Which is the most important element plants require from an artificial fertiliser like ammonium sulphate? [am-45]
1. N
2. H
3. S
4. O
Approximately what % of air is nitrogen? [am-46]
1. 20%
2. 80%
3. 50%
4. 30%
The name of the industrial method to make ammonia is known as the? [am-47]
1. Contact Process
2. Bosch Synthesis
3. Haber Synthesis
4. Cracking Process
Which of these is a good reason for adding artificial fertiliser to soil? [am-48]
1. helping reduce water pollution
2. neutralising acid soil
3. helping reduce crop disease
4. increasing soil fertility
Which of these is a good reason for adding artificial fertiliser to soil? [am-49]
1. increasing the nitrogen content of soil
2. increasing the alkalinity of soil
3. helping reduce crop disease
4. helping reduce water pollution
Which of these is a problem caused by the over-use of artificial fertilisers like ammonium nitrate on fields of crops? [am-50]
1. too acidic rainwater run-off into rivers
2. pollution of domestic water supply
3. increase in insect attacks on crops
4. increase in crop disease
Which of these is a problem caused by the over-use of artificial fertilisers like ammonium nitrate on fields of crops? [am-51]
1. too acidic rainwater run-off into rivers
2. increase in insect attacks on crops
3. overgrowth of algae in streams and rivers
4. increase in crop disease
Which set of data is typical of the reaction in industry used to make ammonia in terms of temperature and pressure? [am-52]
1. 50^oC, 200 atmospheres
2. 150^oC, 20 atmospheres
3. 900^oC, 2000 atmospheres
4. 450^oC, 200 atmospheres
Which chemical change involves an oxidation of a nitrogen compound? [am-53]
1. ammonia + oxygen ==> nitrogen monoxide + water
2. ammonia + nitric acid ==> ammonium nitrate
3. methane + water ==> carbon monoxide + hydrogen
4. ammonium chloride ==> ammonia + hydrogen chloride
Which chemical change is a neutralisation reaction? [am-54]
1. ammonia + oxygen ==> nitrogen monoxide + water
2. ammonia + nitric acid ==> ammonium nitrate
3. methane + water ==> carbon monoxide + hydrogen
4. ammonium chloride ==> ammonia + hydrogen chloride
Which chemical change is a neutralisation reaction? [am-55]
1. ammonia + oxygen ==> nitrogen monoxide + water
2. methane + water ==> carbon monoxide + hydrogen
3. sulphuric acid + ammonia ==> ammonium sulphate
4. ammonium chloride ==> ammonia + hydrogen chloride
Which chemical change is a thermal decomposition reaction? [am-56]
1. ammonia + oxygen ==> nitrogen monoxide + water
2. ammonia + nitric acid ==> ammonium nitrate
3. methane + water ==> carbon monoxide + hydrogen
4. ammonium chloride ==> ammonia + hydrogen chloride
The in the equation means the reaction is? [am-57]
1. reversible
2. decomposable
3. combustible
4. unpredictable
In the synthesis of ammonia what happens to the unreacted nitrogen and hydrogen? [am-58]
1. purified and let out into the atmosphere without causing pollution
2. recycled through the reaction chamber immediately
3. collected and stored for later ammonia production
4. burned to preheat the gases coming into the hot reactor to stop it cooling down
Ammonia is converted into the useful chemical product? [am-59]
1. nitrogen monoxide
2. nitrogen
3. nitric acid
4. nitromethane
Ammonia is converted into the useful chemical product? [am-60]
1. nitrogen monoxide
2. nitrogen
3. sodium sulphate
4. ammonium sulphate
Ammonia is converted into the useful chemical product? [am-61]
1. ammonium nitrate
2. nitrogen
3. nitromethane
4. nitrogen monoxide
A simple test for ammonia is? [am-62]
1. gives a squeaky pop! with a lit splint
2. turns damp red litmus blue
3. re-ignites a glowing splint
4. turns limewater milky
Ammonia dissolved in water is best described as a? [am-63]
1. weak acid solution
2. neutral salt solution
3. weak alkali solution
4. strong acid solution
The reaction to convert ammonia into artificial fertiliser salts, is an example of? [am-64]
1. oxidation
2. decomposition
3. equilibrium
4. neutralisation
On the reaction profile diagrams above, which energy change corresponds to the uncatalysed activation energy for the endothermic thermal decompostion of ammonium chloride? [am-65]
1. profile 1, E1
2. profile 1, E3
3. profile 2, E5
4. profile 2, E6
On the reaction profile diagrams above, which energy change corresponds to the overall heat absorbed by the catalysed endothermic thermal decompostion of ammonium chloride? [am-66]
1. profile 1, E1
2. profile 1, E3
3. profile 2, E5
4. profile 2, E6
On the reaction profile diagrams above, which energy change corresponds to the activationed energy for the iron catalysed exothermic formation of ammonia? [am-67]
1. profile 1, E1
2. profile 1, E3
3. profile 2, E5
4. profile 2, E6
On the reaction profile diagrams above, which energy change corresponds to the overall energy change for the iron catalysed exothermic formation of ammonia? [am-68]
1. profile 1, E2
2. profile 1, E3
3. profile 2, E5
4. profile 2, E6
On the reaction profile diagrams above, which energy change corresponds to the activation energy for the catalysed endothermic decomposition of ammonium chloride? [am-69]
1. profile 1, E2
2. profile 1, E3
3. profile 2, E5
4. profile 2, E6
On the reaction profile diagrams above, which energy change corresponds to the activation energy for the uncatalysed exothermic formation of ammonia? [am-70]
1. profile 1, E2
2. profile 2, E4
3. profile 1, E3
4. profile 2, E5
On the reaction profile diagrams above, which energy change corresponds to the overall energy change for the uncatalysed endothermic thermal decomposition ammonium chloride? [am-71]
1. profile 1, E2
2. profile 2, E4
3. profile 1, E3
4. profile 2, E5
On the reaction profile diagrams above, which energy change corresponds to the overall energy change for the uncatalysed exothermic formation of ammonia? [am-72]
1. profile 1, E2
2. profile 2, E4
3. profile 1, E3
4. profile 2, E6
[am-73] Which ratio numbers a, b and c are needed to balance the equation showing the formation of ammonia?
a N_2(g) + b H_2(g) ==> c NH_3(g)
1. 1, 3 and 2
2. 2, 3 and 2
3. 1, 6 and 2
4. 2, 3 and 6
[am-74] Which ratio numbers a, b, c and d are needed to balance the equation showing the oxidation of ammonia to nitrogen monoxide?
a NH_3(g) + b O_2(g) ==> c NO_(g) + d H₂O_(g)
1. 4, 5, 2 and 3
2. 4, 5, 4 and 6
3. 2, 3, 4 and 6
4. 2, 3, 2 and 3
[am-75] Which ratio numbers a, b, c and d are needed to balance the equation showing the overall conversion of nitrogen monoxide into nitric acid?
a NO_(g) + b H₂O_(l)+ c O_2(g) ==> d HNO_3(aq)
1. 2, 2, 3 and 4
2. 2, 4, 6 and 3
3. 4, 2, 3 and 4
4. 4, 4, 6 and 3
[am-76] Which ratio numbers a, b and c are needed to balance the equation showing the neutralisation of ammonia to form ammonium sulphate?
a NH_3(aq) + b H₂SO_4(aq) ==> c(NH₄)₂SO_4(aq)
1. 1, 1 and 2
2. 2, 2 and 1
3. 1, 2 and 2
4. 2, 1 and 1
[am-77] Which ratio numbers a, b and c are needed to balance the equation showing the neutralisation of ammonia to form ammonium nitrate?
a NH_3(aq) + b HNO_3(aq) ==> c NH₄NO_3(aq)
1. 1, 1 and 1
2. 2, 2 and 1
3. 1, 1 and 2
4. 2, 1 and 2
[am-78] Which ratio numbers a, b, c and d are needed to balance the equation showing the production of hydrogen from methane (natural gas) and steam?
a CH_4(g) + b H₂O_(g) ==> c CO_(g) + d H_2(g)
1. 2, 2, 2 and 3
2. 1, 1, 1 and 3
3. 1, 2, 2 and 6
4. 2, 1, 1, and 3
Which is TRUE about the industrial synthesis of ammonia? [am-79]
1. the reaction is exothermic, so there are little energy costs in running the chemical plant
2. it is difficult to separate the ammonia from unreacted hydrogen and nitrogen because they have similar boiling or condensation points
3. it is more economic to get a low % of nitrogen/hydrogen mixture conversion to ammonia fast, than a high % yield more slowly
4. it is a costly process because it is an equilibrium reaction and you cannot get 100% conversion to ammonia
Which is TRUE about the industrial synthesis of ammonia? [am-80]
1. the reaction is exothermic, so there are little energy costs in running the chemical plant
2. it is difficult to separate the ammonia from unreacted hydrogen and nitrogen because they have similar boiling or condensation points
3. it is less economic to get a low % of nitrogen/hydrogen mixture conversion to ammonia fast, than wait longer for a high % yield of ammonia
4. it is a reasonably economic process because although it is an equilibrium reaction, you can get a low % conversion to ammonia fast and recycle unreacted nitrogen and hydrogen
Which is needed to bring about the conversion of nitrogen monoxide into nitric acid? [am-81]
1. oxygen and water
2. oxygen and hot platinum catalyst
3. hot iron catalyst and high pressure
4. water and an acid
Which is needed to bring about the conversion of ammonia into nitrogen monoxide? [am-82]
1. oxygen and water
2. oxygen and hot platinum catalyst
3. hot iron catalyst and high pressure
4. water and an acid
Which is needed to bring about the conversion of nitrogen and hydrogen into ammonia? [am-83]
1. oxygen and water
2. oxygen and hot platinum catalyst
3. hot iron catalyst and high pressure
4. water and an acid
Which is needed to bring about the conversion of ammonia into fertiliser salts? [am-84]
1. oxygen and water
2. oxygen and hot platinum catalyst
3. hot iron catalyst and high pressure
4. water and an acid
Which is TRUE about reversible reactions and chemical equilibrium? [am-85]
1. increase in temperature favours an endothermic reaction
2. decrease in temperature favours the reaction absorbing heat
3. increase in pressure favours a reaction forming the most gas molecules
4. decrease in pressure favours a reaction that removes gas molecules
Which is TRUE about reversible reactions and chemical equilibrium? [am-86]
1. increase in temperature favours the heat releasing reaction
2. decrease in temperature favours an exothermic reaction
3. increase in pressure favours a reaction forming gas molecules
4. decrease in pressure favours the reaction forming the least gas molecules
Which is TRUE about reversible reactions and chemical equilibrium? [am-87]
1. increase in temperature favours the heat releasing reaction
2. decrease in temperature favours an endothermic reaction
3. increase in pressure favours the reaction forming the least gas molecules
4. decrease in pressure does not favour a reaction forming gas molecules
Which is TRUE about reversible reactions and chemical equilibrium? [am-88]
1. increase in temperature favours an exothermic reaction
2. decrease in temperature favours a heat absorbing reaction
3. increase in pressure favours a reaction forming gas molecules
4. decrease in pressure favours the reaction forming the most gas molecules
The equation shows the synthesis of ammonia in which 46 kJ heat energy is released (given out) per mole of ammonia formed. Which is TRUE about this reaction? [am-89]
1. increased pressure favours a larger % of ammonia in the equilibrium mixture
2. decrease in temperature does not favour a larger % of ammonia in the equilibrium mixture
3. using a catalyst increases the % of ammonia in the equilibrium mixture
4. increasing both pressure and temperature favour ammonia formation
The equation shows the synthesis of ammonia in which 46 kJ heat energy is released (given out) per mole of ammonia formed. Which is TRUE about this reaction? [am-90]
1. increased pressure does not favour a larger % of ammonia in the equilibrium mixture
2. decrease in temperature favours a larger % of ammonia in the equilibrium mixture
3. using a catalyst increases the % of ammonia in the equilibrium mixture
4. increasing both pressure and temperature favour ammonia formation
The equation shows the synthesis of ammonia in which 46 kJ heat energy is released (given out) per mole of ammonia formed. Which is TRUE about this reaction? [am-91]
1. decreased pressure favours a larger % of ammonia in the equilibrium mixture
2. increase in temperature favours a larger % of ammonia in the equilibrium mixture
3. using a catalyst does not affect the % of ammonia in the equilibrium mixture
4. decreasing both pressure and temperature favour ammonia formation
The equation shows the synthesis of ammonia in which 46 kJ heat energy is released (given out) per mole of ammonia formed. Which is TRUE about this reaction? [am-91]
1. decreased pressure favours a larger % of ammonia in the equilibrium mixture
2. increase in temperature favours a larger % of ammonia in the equilibrium mixture
3. using a catalyst increases the % of ammonia in the equilibrium mixture
4. increasing pressure and decreasing temperature both favour ammonia formation
Which is TRUE about reversible reactions that have formed a chemical equilibrium? [am-93]
1. reactants are always changing into products
2. rate of forward reaction (L to R) is greater than the rate of the backward reaction (R to L)
3. the concentrations of reactants and products are constantly changing
4. using a catalyst increases the final amount of product formed
Which is TRUE about reversible reactions that have formed a chemical equilibrium? [am-94]
1. products stop changing into reactants
2. rate of forward reaction (L to R) is equal to the rate of the backward reaction (R to L)
3. the concentrations of reactants and products are constantly changing
4. using a catalyst increases the final amount of product formed
Which is TRUE about reversible reactions that have formed a chemical equilibrium? [am-95]
1. products stop changing into reactants
2. rate of forward reaction (L to R) is greater than the rate of the backward reaction (R to L)
3. the concentrations of reactants and products remain the same
4. using a catalyst increases the final amount of product formed
Which is TRUE about reversible reactions that have formed a chemical equilibrium? [am-96]
1. products stop changing into reactants
2. rate of forward reaction (L to R) is greater than the rate of the backward reaction (R to L)
3. the concentrations of reactants and products are constantly changing
4. using a catalyst does not increase the final amount of product formed
The equation above shows the making of hydrogen from methane (natural gas) and steam, for the manufacture of ammonia in the Haber Process. For every mole of methane reacted, 206 kJ of heat energy is absorbed (taken in) in forming the three moles of hydrogen. Which is TRUE about this reaction? [am-97]
1. decreasing the pressure favours a bigger % of hydrogen in the equilibrium mixture
2. increasing the temperature does not favour a bigger % of hydrogen in the equilibrium mixture
3. using a catalyst increases the final % of hydrogen in the equilibrium
4. increasing both pressure and temperature favours the formation of ammonia
The equation above shows the making of hydrogen from methane (natural gas) and steam, for the manufacture of ammonia in the Haber Process. For every mole of methane reacted, 206 kJ of heat energy is absorbed (taken in) in forming the three moles of hydrogen. Which is TRUE about this reaction? [am-98]
1. decreasing the pressure does not favour a bigger % of hydrogen in the equilibrium mixture
2. increasing the temperature favours a bigger % of hydrogen in the equilibrium mixture
3. using a catalyst increases the final % of hydrogen in the equilibrium
4. increasing both pressure and temperature favours the formation of ammonia
The equation above shows the making of hydrogen from methane (natural gas) and steam, for the manufacture of ammonia in the Haber Process. For every mole of methane reacted, 206 kJ of heat energy is absorbed (taken in) in forming the three moles of hydrogen. Which is TRUE about this reaction? [am-99]
1. decreasing the pressure does not favour a bigger % of hydrogen in the equilibrium mixture
2. increasing the temperature does not favour a bigger % of hydrogen in the equilibrium
3. using a catalyst does not increase the final % of hydrogen in the equilibrium
4. increasing both pressure and temperature favours the formation of ammonia
The equation above shows the making of hydrogen from methane (natural gas) and steam, for the manufacture of ammonia in the Haber Process. For every mole of methane reacted, 206 kJ of heat energy is absorbed (taken in) in forming the three moles of hydrogen. Which is TRUE about this reaction? [am-100]
1. decreasing the pressure does not favour a bigger % of hydrogen in the equilibrium mixture
2. increasing the temperature does not favour a bigger % of hydrogen in the equilibrium
3. using a catalyst increases the final % of hydrogen in the equilibrium
4. decreasing the pressure and increasing the temperature both favour the formation of ammonia
Which chemical change involves an oxidation of a hydrocarbon compound? [am-101]
1. methane + water ==> carbon monoxide + hydrogen
2. ammonia + nitric acid ==> ammonium nitrate
3. ammonia + oxygen ==> nitrogen monoxide + water
4. ammonium chloride ==> ammonia + hydrogen chloride

GCSE/IGCSE random m/c QUIZ on REVERSIBLE REACTIONS, AMMONIA, its SYNTHESIS and USES (harder/higher level HT tier)

* Click [?] A-D choice. * Ammonia Haber Synthesis and Uses and an Introduction to Chemical equilibrium Revision Notes * © Doc Brown's Chemistry