Quiz  /  Rate of Reaction Class 11 MCQ Questions With Answers

  • 1. 
    Why does breaking up a solid reactant increase the rate of reaction?

  • it creates more solid
  • it creates more energy
  • it increases the total surface area
  • it increases the concentration

  • 2. 
    Which factors increase the rate of a reaction?

  • increasing temperature
  • increasing concentration
  • increasing total surface area
  • All of these

  • 3. 
    Increasing pressure causes the reacting particles

  • to bond together
  • to repel from each other
  • gain more kinetic energy
  • to move closer together

  • 4. 
    Catalyst helps to

  • increase the amount of product obtained
  • to lower the activation energy
  • provide an alternative reaction route
  • decrease the frequency of collision

  • 5. 
    You add more bodies into a "mosh pit" to hope for more collisions. You have increased

  • temperature
  • concentration
  • pressure
  • catalyst

  • 6. 
    You make a space much smaller by increasing the ________________ hoping to increase the reaction rates.

  • temperature
  • concentration
  • catalyst
  • pressure
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