Question

Mention the characteristics of a chemical change​

Answer 1

Answer:

it is irreversible

it changes the chemical properties of the matter

example. cooking of food

rusting of iron etc

Answer 2

Usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting in the formation of at least one new substance: The formation of rust on iron is a chemical change.Examples of chemical changes include combustion (burning), cooking an egg, rusting of an iron pan, and mixing hydrochloric acid and sodium hydroxide to make salt and water.The signs of chemical change include changes in color, temperature, the production of light, changes in odor, and the formation of gases & the atoms are rearranged and the reaction is accompanied by an energy change as new products are generated.