Chemistry

10th

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Rate of Reaction

46

40 questions

  • 1. Multiple Choice
    1 minute
    1 pt
    Which factors increase the rate of a reaction.
    increasing temperature
    increasing concentration
    increasing surface area
    all of these
  • 2. Multiple Choice
    30 seconds
    1 pt
    Increase in temperature of the reactants can do one of the following
    Slow collision frequency
    Allow less effective collision between the particles
    Neutralise the reaction
    increase collision between the particles thus increasing the rate.
  • 3. Multiple Choice
    1 minute
    1 pt
    Why does a catalyst increase the rate of reaction?
    it produces extra energy for the reactants
    it increases the speed of the reactant particles
    it increases the frequency of particle collisions
    it reduces the activation energy of the reaction 
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