Chemistry 0620 · IGCSE · Exothermic and endothermic reactions

Exothermic and endothermic reactions — practice question

An energy level diagram for a reaction is displayed. Which statement is correct?

  • AThe reaction is endothermic and heat energy is released.
  • BThe reaction is endothermic and heat energy is taken in.
  • CThe reaction is exothermic and heat energy is released.
  • DThe reaction is exothermic and heat energy is taken in.

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