Chemistry 0620 · IGCSE · Exothermic and endothermic reactions

Exothermic and endothermic reactions — practice question

Sodium nitrate is put into water in a beaker and the mixture is stirred until it dissolves. When the experiment is finished, the beaker feels cold. Which row shows the reaction?

  • Atemperature of solution decreases; type of reaction endothermic
  • Btemperature of solution decreases; type of reaction exothermic
  • Ctemperature of solution increases; type of reaction endothermic
  • Dtemperature of solution increases; type of reaction exothermic

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