Question

define the chemical change​

Answer 1

A chemical change (chemical reaction) is a change of materials into other, new materials with different properties, and one or more new substances are formed. Burning of wood is a chemical change as new substances which cannot be changed back (e.g. carbon dioxide) are formed.

Answer 2

Answer:

A change in which a new substance is formed which has totally different properties than the original substance is called chemical change .