Which of the following is a chemical change A melting B boiling water C a burning candle D frost warm inside a freezer

C, - burning a candle

Explanation:

Chemical reaction occur when a substance combines together with another substance to give another new substance.

Chemical reactions are irreversible, except for further reactions. Some process involve heat while some requires heat.

The atoms are rearranged by a change of energy during chemical reactions.

Examples of chemical reactions

Burning wood

Souring milk

Digesting food

Burning of candle

Baking cake

Rusting of iron

Acid and base mixture

The other options are reversible, so that makes them a physical change except for option c which is burning of candle