Question

In a physical change, the chemical composition of the original substance is altered.

• A. True
• B. False

Answer 1

The correct option is B False

Physical change: The change in which no new substance is formed, and the chemical composition of the original substance is not altered.

• A physical change is reversible and there is no formation of a new substance.

Example: Dissolving common salt$\left(\mathrm{NaCl}\right)$ in water is a physical change.

• The dissolved common salt can be separated by the evaporation process.

Therefore the given statement is false.