Define the following/write notes:
Combination Reation

Explanation

When two or more reactants combine in a reaction to form a single product, it is called a combination reaction.
Example: When magnesium (Mg) strip is burnt in air , a white powder of magnesium oxide (MgO) is formed
`underset("Magnesium")(2Mg_((s)))+underset("Oxygen")(O_((2g)))overset(Delta)rarrunderset("Magnesium oxide")(2MgO_((s))`