Question

2. Is digestion a physical or a chemical change? Give reason for your answer.
3. Rotting of eggs is a chemical change. Give reason.
Why do we keen vegetables or fruits in refrigerator?​

Answer 1

Answer:

2.Digestion is a chemical change.

3.Rotten eggs is a chemical change .

Explanation:

reason for question 2: We cannot eat what went into our stomach to re-digest it !

reason for question3: Rotten eggs mean dead eggs and we cannot make it live again !