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Rate of reaction

Quiz by Dr Chemistry

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6 questions
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  • Q1
    What factor affects the rate of a chemical reaction?
    Pressure
    Temperature
    Catalyst
    Concentration
    30s
  • Q2
    Which of the following factors does NOT affect the rate of a reaction?
    Surface area
    Temperature
    Presence of a catalyst
    Color of reactants
    30s
  • Q3
    What is the effect of increasing temperature on the rate of a reaction?
    Completely stops the reaction
    Speeds up the reaction
    Slows down the reaction
    Has no effect on the reaction rate
    30s
  • Q4
    How does increasing the concentration of reactants affect the rate of a reaction?
    Has no effect on the reaction rate
    Stops the reaction completely
    Decreases the rate of the reaction
    Increases the rate of the reaction
    30s
  • Q5
    A student investigated the rate of reaction between calcium carbonate (marble chips) and hydrochloric acid. The student had collected 30 cm3 of gas produced after 15 seconds. Calculate the mean rate of reaction from 0 to 15 seconds.
    3 cm3/s
    5 cm3/s
    4 cm3/s
    2 cm3/s
    30s
  • Q6
    A student investigated the rate of reaction between calcium carbonate (marble chips) and hydrochloric acid. The student had recorded an initial reactant mass of 27 g. The mass of the product recorded was 24.9 g after 30 seconds. Calculate the mean rate of reaction from 0 to 30 seconds.
    0.7g/s
    0.007 g/s
    0.07 g/s
    7 g/s
    30s

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