Question

what do you mean by physical and chemical change.​

Answer 1

Answer:

physical change only change the appearance of a substance

chemical change causes a substance to change into a entirely substance with a new chemical formula.

Answer 2

Explanation:

Physical change = Changes in which no new substances are formed are called physical change.

Example = breaking of glass, freezing of water, melting of ice cream etc.

Chemical change = Changes in which new substances with different properties are formed , are called chemical change.

Example= Cooking of food , burning of a substances , burning of candle, etc.