Question

Define combination reaction give one example of combination reaction which is also exothermic

Answer 1

A combination reaction is a chemical reaction in which two or more reactants combine to form a single product.

Example:

CuO + H2O —> Cu(OH)2 + heat energy

Answer 2

A combination reaction (also known as a synthesis reaction) is a reaction where two or more elements or compounds (reactants) combine to form a single compound (product).

Example : CH4 + O2 = CO2 + H2O