Question

Differentiate between the following
1. Physical change and chemical change.​

Answer 1

Answer:

The difference between a physical reaction and a chemical reaction is composition. In a chemical reaction, there is a change in the composition of the substances in question; in a physical change there is a difference in the appearance, smell, or simple display of a sample of matter without a change in composition.

Answer 2

Answer:-

Physical Change

• Physical change bring about change only in physical property of the substance such as physical states , shape and size etc.

• No new substance is formed in a physical change.

• it it is a temporary change.

• Physical change can be easily reserved.

• There is no change in chemical composition of the substance.

Chemical Change

• Chemical changes bring about change in chemical property of the substance.

• New substance are formed during chemical change.

• It is permanent Change.

• Chemical change cannot be reserved.

• There always change in the chemical composition of the substance .