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6 questions
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  • Q1
    What word is used to describe the chemical combination of a substance with oxygen involving the production of heat and light?
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    Type an Answer
    30s
  • Q2
    What are possible products for the complete combustion of methane (a hydrocarbon)?
    methane + oxygen
    carbon monoxide + water
    carbon + water
    carbon dioxide + water
    carbon dioxide + hydrogen
    30s
  • Q3
    What are possible products for the incomplete combustion of butane (a hydrocarbon)?
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    Sorting
    30s
  • Q4
    The chemical test for which gas is to relight a glowing splint?
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    30s
  • Q5
    True or false? Complete combustion releases larger amounts of energy than incomplete combustion of the same fuel.
    true
    false
    True or False
    30s
  • Q6
    Which of the following shows a correctly balanced equation for the complete combustion of propene (C₃H₆)?
    2C3H6 + 9O₂ → 6CO2 + 6H2O
    2C₃H₆ + 9O₂ → 6CO₂ + 6H₂O
    2C₃H₆ + 9O₂ → CO₂ + 6H₂O
    2C₃H₆ + O₂ → 6CO₂ + 6H₂O
    30s

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