Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> What is a combination reaction?

Answer 1

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> The reaction in which two or more reactants (elements/compounds) combine to form a single product is called combination reaction.

Example: $\text{2Mg (s)}+{\text{O}}_2\text{(g)}\to \text{2MgO (s)}$