C2- Rates and energy

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1. What happens when the surface area of a solid is increased?

  • The reaction expands
  • The rate of reaction decreases
  • The rate of reaction increases
  • No change
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Other questions in this quiz

2. What increases the rate of a reaction?

  • All of the ones stated
  • Temperature
  • Concentration
  • None of the ones stated
  • Surface area
  • Pressure

3. What is the minimum amount of energy required for a reaction called?

  • Catalyst energy
  • Activation Energy
  • Reactor energy
  • Minimum energy

4. A successful collision is one in which:

  • Enough energy is transferred for particles to bounce off each other
  • Enough energy is transferred for particles to react
  • The particles hit each other
  • Particles bounce off each other

5. Which of the following statements about collisions is correct?

  • Collisions only happen if there is heat
  • All colliding particles have the same amount of energy
  • Reactions can happen if the colliding particles have enough energy
  • Only fast-moving particles collide with each other

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