Question

What is combination reaction ? Give one combination reaction which is also exothermic.i

Answer 1

two reactants react to form a single product is called as chemical combination

2Mg +O2 ___2MgO + Heat and light

Answer 2

when two or more reactants combine to form a single product is known as combination reaction .
it is a kind of chemical reaction .
exothermic reaction =the reaction in which heat release with the formation of products is known as exothermic reaction