Question

Give one example for combination reaction.

Answer 1

Definition

Combination reaction is a type of chemical reaction in which two or more substances(reactants) combine to form a new substance(product).

Example

Combination of Hydrogen (${\mathrm{H}}_2$) and Oxygen gas (${\mathrm{O}}_2$) yields water.

Chemical equation

$2{\mathrm{H}}_2\left(\mathrm{g}\right)+{\mathrm{O}}_2\left(\mathrm{g}\right)\to 2{\mathrm{H}}_2\mathrm{O}\left(\mathrm{g}\right)$