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Chemical reactions: combustion

Quiz by Oak National Academy: KS3 Science (2)

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6 questions
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  • Q1
    Combustion requires fuel, ______, and an initial source of energy, usually heat, to start the reaction.
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    30s
  • Q2
    Match the states of matter with their characteristics:
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    30s
  • Q3
    During a chemical reaction, the total mass of the reactants ______ the total mass of the products.
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    30s
  • Q4
    When atoms of different elements bond together, they form a ______.
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    30s
  • Q5
    CO₂ contains carbon and oxygen atoms. Which of the following chemicals also contain both carbon and oxygen atoms?
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    30s
  • Q6
    Match up the word equations for the oxidation reactions:
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    30s

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