Chemistry 0620 · IGCSE · Exothermic and endothermic reactions

Exothermic and endothermic reactions — practice question

Plant cells use energy from sunlight during photosynthesis. Which row gives the description and explanation of the energy change that happens?

  • Aendothermic; less energy is released making bonds than is absorbed to break bonds
  • Bendothermic; more energy is released making bonds than is absorbed to break bonds
  • Cexothermic; less energy is released making bonds than is absorbed to break bonds
  • Dexothermic; more energy is released making bonds than is absorbed to break bonds

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI