Question

identity the physical and chemical change from the following. ...a.. heating the mixture of iron and sulphur... b... ripening of fruite...... c.... dissolution of salt in water.... d... rusting of iron.... e..... making fruit salad with raw fruite ​

Answer 1

Explanation:

Following are the Physical changes:

1. Ripening of fruits.

2. Dissolution of salt in water.

3. Making of fruit salad with raw fruits.

Following are the Chemical changes:

1. Heating the mixture of iron and sulphur.

2. Rusting of iron.

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Answer 2

1. Cutting of trees: Physical change.

2. Melting of butter in a pan: Physical change.

3. Rusting of almirah: chemical change.

4. Boiling of water to form steam: physical change.

5. Passing of electric current, through water and the water breaking down into hydrogen and oxygen gases: chemical change.

6. Dissolving common salt in water: physical change.

7. Making a fruit salad with raw fruits: physical change.

8. Burning of paper and wood: chemical change.