Question

CHEMICAL REACTION AND EQUATION
Give two examples of exothermic reactions?​

Answer 1

Answer:

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A chemical reaction is described by a chemical equation, an expression that gives the identities and quantities of the substances involved in a reaction.

A chemical equation shows the starting compound(s)—the reactants—on the left and the final compound(s)—the products—on the right, separated by an arrow.

Examples of exothermic reaction are :-

1. Burning of natural gas
2. The decomposition of vegetables matter into compost.

Answer 2

Answer:

1. H2SO4 + Cu _____ CuSO4 +H2

2. H2SO4 + Zn ______ZnSO4+H2

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