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6 questions
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  • Q1
    In the following reaction identify the reactant: hydrogen peroxide → water + oxygen
    oxygen
    hydrogen
    water
    hydrogen peroxide
    energy
    30s
  • Q2
    Which solution has the highest concentration?
    1.0 g/cm³
    0.1 g/cm³
    2.0 g/cm³
    0.5 g/cm³
    30s
  • Q3
    Which of the following statements about rate of reaction are true?
    Users sort answers between categories
    Sorting
    30s
  • Q4
    A student has 5 g of calcium carbonate. How can they increase the surface area of the calcium carbonate?
    heat the calcium carbonate
    use a mass of 10 g of calcium carbonate
    crush the calcium carbonate
    increase the density of the calcium carbonate
    30s
  • Q5
    On a volume versus time graph, what does a steep gradient represent?
    a high rate of reaction
    the rate of reaction is zero
    the rate of reaction is not affected by the variable
    a low rate of reaction
    30s
  • Q6
    Match the key term to the correct definition.
    Users link answers
    Linking
    30s

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