Chemistry 0620 · IGCSE · Exothermic and endothermic reactions

Exothermic and endothermic reactions — practice question

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

  • AHeat is released.
  • BIt is a combustion reaction.
  • CIt is an endothermic reaction.
  • DThe temperature increases.

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