Question

What is an exothermic reaction which?Which of the following is an exothermic reaction 1.heating calcium carbonate 2.adding water to calcium oxide?

Answer 1

Answer:

an exothermic reaction is a reaction that produces energy in heat or light form. Adding water to calcium oxide is exothermic while heating of calcium carbonate is endothermic

Explanation:

Answer 2

Answer:

The chemical reaction in which heat is evolved is called exothermic reaction .Adding to calcium oxide is an exothermic reaction.

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