Chemistry 0620 · IGCSE · Physical and chemical changes

Physical and chemical changes — practice question

Which of the following statements about chemical reactions is correct?

  • AEndothermic reactions show a temperature decrease because energy is absorbed from the surroundings.
  • BEndothermic reactions show a temperature increase because energy is released into the surroundings.
  • CExothermic reactions show a temperature increase because energy is absorbed from the surroundings.
  • DExothermic reactions show a temperature decrease because energy is released into the surroundings.

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