Chemistry 0620 · IGCSE · Exothermic and endothermic reactions

Exothermic and endothermic reactions — practice question

During photosynthesis, plant cells obtain energy from sunlight. Which row describes the energy change that takes place and explains it?

  • 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

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