Question

what is combination reaction?

Answer 1

the chemical reaction in which two or more elements or compounds react to form one new compound as a product is called combination reaction.

EG -

Fe + S ----->FeS

Answer 2

The reaction in which two or more substances combine to produce one new substance is called combination reaction.

Example -2 Mg + O2 ------> 2MgO

Here two substances Mg and O2 combine to produce MgO a single product.

Hope This Helps You