CBSE Physical and Chemical Changes Class 7 Extra Questions
- There are two types of changes namely physical and chemical changes
- Physical changes refers to the changes in the physical properties of substances
- Chemical changes refers to the changes in the chemical properties of substances
- No new substances are formed in physical changes
- A new substance is formed in chemical changes
- Rusting of iron is an example of chemical changes. Please refer Physical and Chemical Changes Class 7 Extra Questions for more information.
CBSE Revision Notes 