Question

13 (xiii) Against each change described below, write P for physical change and C for chemical change.

Tarun made salt water for a gargle.

Answer 1

• Tarun made saltwater by dissolving salt into water, which gives a clear solution.
• Tarun can get salt back by evaporating them.
• There is no formation of a new substance.
• So, this is a physical change.
• No new substances are formed in a physical change, though the substance may change its shape and state.
• Physical changes are usually reversible.