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The rate of a chemical reaction: including graphs

Quiz by Oak National Academy: GCSE Chemistry Edexcel Higher

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6 questions
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  • Q1
    How do most chemical reactions progress over time?
    they start quickly and slow down
    they start slowly and speed up
    they stop and start repeatedly
    they maintain a constant speed
    30s
  • Q2
    What is the rate of a chemical reaction equal to?
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    Sorting
    30s
  • Q3
    Match the keywords with the correct definition.
    Users link answers
    Linking
    30s
  • Q4
    Why is drawing a tangent useful on a rate of reaction graph?
    it helps find the instantaneous rate at a specific moment
    it shows the total amount of reactant used
    it calculates the mean rate of reaction
    it measures the temperature change over time
    30s
  • Q5
    Which of the following can be plotted to represent the changing rate of a chemical reaction?
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    Sorting
    30s
  • Q6
    A chemical reaction produces 0.5 g of gas in 10 seconds. What is the correct rate of reaction?
    10 seconds
    0.05 seconds per gram
    0.05 grams per second
    0.05 grams
    30s

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