Question

Mention two things that happen during a physical change.

Answer 1

Physical change: A type of change in which the chemical composition of the substance remains the same, known as physical change.

• A physical change is a temporary and generally reversible change, the original substance can be converted back by reversing the process.
• Change in physical properties like shape, size, color, odor, and appearance take place.
• Chemical property of the substance always remain the same.

Example of physical change:

1. Melting of ice,
2. Evaporation of water,
3. Freezing of water,
4. Condensation of water