Q. Which of the following is/are an example of chemical change?
1. Cooking of Food
2. Digestion of Food
3. Freezing of water
4. Water is heated up
Select the correct answer using the codes given below:
Answer: C
Notes:
If the chemical composition is changing then it is a chemical change and if the chemical composition is remaining the same, then it is a physical change.
- Cooking of Food —– Chemical Change
- Digestion of Food —– Chemical Change
- Freezing of water —– Physical Change
- Water is heated up —- Physical Change
Source: NCERT Class 7
