KS3 Science-Chemistry Quiz on "USING CHEMISTRY" (based on QCA 9H)

Hydrocarbon fuels burn to form carbon dioxide and water. Which is a correct description of a chemical test for carbon dioxide? [9h-1]
1. white milky precipitate with limewater
2. turns white copper sulphate powder blue
3. turns blue cobalt chloride paper pink
4. boils at 100^oC
Hydrocarbon fuels burn to form carbon dioxide and water. Which is a correct description of a chemical test for water? [9h-2]
1. white milky precipitate with limewater
2. turns white copper sulphate powder blue
3. turns universal indicator green
4. boils at 100^oC
Hydrocarbon fuels burn to form carbon dioxide and water. Which is a correct description of a chemical test for water? [9h-3]
1. white milky precipitate with limewater
2. turns universal indicator green
3. turns blue cobalt chloride paper pink
4. boils at 100^oC
Hydrocarbon fuels burn to form carbon dioxide and water. Which is a correct description of a physical test for water? [9h-4]
1. white milky precipitate with limewater
2. turns white copper sulphate powder blue
3. turns blue cobalt chloride paper pink
4. boils at 100^oC
A simple battery (cell) can be made by dipping two different strips of metal into a conducting salt solution of ions. Which two metals will produce the largest voltage? [9h-5]
1. magnesium and silver
2. zinc and iron
3. magnesium and zinc
4. zinc and tin
A simple battery (cell) can be made by dipping two different strips of metal into a conducting salt solution of ions. Which two metals will produce the smallest voltage? [9h-6]
1. magnesium and silver
2. zinc and iron
3. magnesium and zinc
4. zinc and tin
A simple battery (cell) can be made by dipping two different strips of metal into a conducting salt solution of ions. Which two metals will produce the biggest voltage? [9h-7]
1. zinc and copper
2. zinc and tin
3. magnesium and copper
4. tin and lead
A simple battery (cell) can be made by dipping two different strips of metal into a conducting salt solution of ions. Which two metals will produce the smallest voltage? [9h-8]
1. zinc and copper
2. zinc and tin
3. magnesium and copper
4. tin and lead
A suitable material for a match head can be made from a mixture of carbon, sulphur and potassium chlorate. Which best explains how the match ignites on striking it? [9h-9]
1. friction generates heat to trigger the reaction
2. friction allows air to get to the carbon and sulphur
3. friction breaks down the potassium chlorate into smaller reactive particles
4. friction makes the carbon and sulphur combine exothermically
A suitable material for a match head can be made from a mixture of carbon, sulphur and potassium chlorate. Which best explains the role of the carbon? [9h-10]
1. acts as a catalyst to help burn the sulphur
2. burns with oxygen from the potassium chlorate
3. produces oxygen to burn the sulphur
4. absorbs poisonous gases formed in the combustion reaction
A suitable material for a match head can be made from a mixture of carbon, sulphur and potassium chlorate. Which best explains the role of the potassium chlorate? [9h-11]
1. acts a catalyst to trigger the reaction
2. burns exothermically with oxygen from the air
3. produces oxygen to burn the sulphur
4. absorbs poisonous gases formed in the combustion reaction
A suitable material for a match head can be made from a mixture of carbon, sulphur and potassium chlorate. Which best explains the role of the sulphur? [9h-12]
1. absorbs poisonous combustion gases
2. helps to burn the carbon
3. produces oxygen to burn the carbon
4. burns with oxygen from the potassium chlorate
Carbon dioxide is formed in the complete combustion of a fuel. Carbon monoxide can be formed in the incomplete combustion of a fuel. Which statement is TRUE about these two gases? [9h-13]
1. carbon monoxide will burn and carbon dioxide will not
2. both gases give a milky precipitate when bubbled into limewater
3. both gases are toxic to animals
4. carbon monoxide is an element and carbon dioxide is a compound
Carbon dioxide is formed in the complete combustion of a fuel. Carbon monoxide can be formed in the incomplete combustion of a fuel. Which statement is TRUE about these two gases? [9h-14]
1. neither compound will burn in air
2. only carbon dioxide gives a milky precipitate when bubbled into limewater
3. both gases are toxic to animals
4. carbon monoxide is an element and carbon dioxide is a compound
Carbon dioxide is formed in the complete combustion of a fuel. Carbon monoxide can be formed in the incomplete combustion of a fuel. Which statement is TRUE about these two gases? [9h-15]
1. neither compound will burn in air
2. both gases give a milky precipitate when bubbled into limewater
3. only carbon monoxide gas is toxic to animals
4. carbon monoxide is an element and carbon dioxide is a compound
Carbon dioxide is formed in the complete combustion of a fuel. Carbon monoxide can be formed in the incomplete combustion of a fuel. Which statement is TRUE about these two gases? [9h-16]
1. neither compound will burn in air
2. both gases give a milky precipitate when bubbled into limewater
3. both gases are toxic to animals
4. both gases are compounds
Hydrogen could well be a fuel for the future but there are advantages and disadvantages to its use. Which statement is TRUE about the potential use of hydrogen as a fuel? [9h-17]
1. on burning it produces no pollution effects
2. on burning it gives off a lot of wasted light energy
3. it is not as flammable or explosive as oil
4. it is easily delivered to homes in liquid form
Hydrogen could well be a fuel for the future but there are advantages and disadvantages to its use. Which statement is TRUE about the potential use of hydrogen as a fuel? [9h-18]
1. on burning it produces lots of greenhouse gases
2. on burning it gives off little wasted light energy
3. it is not as flammable or explosive as oil
4. it is easily delivered in liquid form
Hydrogen could well be a fuel for the future but there are advantages and disadvantages to its use. Which statement is TRUE about the potential use of hydrogen as a fuel? [9h-19]
1. on burning it produces lots of greenhouse gases
2. on burning it gives off lots of wasted light energy
3. it is explosive when mixed with air
4. it is easily delivered in liquid form
Hydrogen could well be a fuel for the future but there are advantages and disadvantages to its use. Which statement is TRUE about the potential use of hydrogen as a fuel? [9h-20]
1. on burning it produces lots of greenhouse gases
2. on burning it gives off lots of wasted light energy
3. it is not as flammable or explosive as oil
4. it has to be compressed before it can be distributed efficiently
Which word would you associate with the phrase 'a substance that releases energy on burning'? [9h-21]
1. fuel
2. exothermic
3. reactive
4. endothermic
Which word would you associate with the phrase 'reaction that gives out heat'? [9h-22]
1. fuel
2. exothermic
3. reactive
4. endothermic
Which word would you associate with the phrase 'easily changes chemically'? [9h-23]
1. fuel
2. exothermic
3. reactive
4. endothermic
Which word would you associate with the phrase 'reaction that absorbs heat'? [9h-24]
1. fuel
2. exothermic
3. reactive
4. endothermic
Which is formed in the complete combustion of a hydrocarbon fuel? [9h-25]
1. H₂O
2. C₈H₁₈
3. CO
4. O₂
Which substance is found in petrol? [9h-26]
1. C
2. C₈H₁₈
3. CO
4. H₂
Which substance is most likely to form in the incomplete (inefficient) burning of a fuel? [9h-27]
1. H₂O
2. C₈H₁₈
3. CO
4. CO₂
Which substance is needed to burn any fuel? [9h-28]
1. H₂O
2. C₈H₁₈
3. CO
4. O₂
Which substance could be a fuel of the future? [9h-29]
1. H₂
2. C₈H₁₈
3. CO
4. C
Which substance is a product of the complete combustion of a fuel? [9h-30]
1. C
2. CO₂
3. CO
4. O₂
Which substance is a colourless flammable liquid? [9h-31]
1. H₂O
2. C
3. C₈H₁₈
4. CO₂
Which substance is a hydrocarbon? [9h-32]
1. H₂
2. CO

KS3 Science-Chemistry Quiz on "USING CHEMISTRY" (based on QCA 9H)

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