Chemistry 0620 · IGCSE · Exothermic and endothermic reactions

Exothermic and endothermic reactions — practice question

A reaction pathway diagram is shown for a reaction. Which statements are true? 1. This reaction is exothermic. 2. This reaction is endothermic. 3. The temperature of the surroundings rises. 4. The temperature of the surroundings falls.

  • A1 and 3
  • B1 and 4
  • C2 and 3
  • D2 and 4

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