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Type: Multiple-Choice
Category: Reactions
Level: Grade 11
Score: 1
Author: radiance
Last Modified: 6 years ago

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Grade 11 Reactions

Which statement correctly defines an exothermic reaction?
  1. A chemical reaction with evolution of heat
  2. A chemical reaction with absorption of heat
  3. A chemical reaction with no change in internal energy
  4. A chemical chemical with no change in temperature