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Which chemical reaction occurs when energy is released?

  • A Endothermic
  • B Exothermic
  • C Combination reaction
  • D Displacement reaction
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An exothermic reaction is a type of chemical reaction in which energy is released in the form of heat or light. This means that the products of the reaction have less energy than the reactants, resulting in a net release of energy. Examples of exothermic reactions include combustion reactions, where a fuel reacts with oxygen to produce heat and light, and many types of oxidation reactions.

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