Question

Classify the following as chemical or physical vhanges
cutting of tree.
melting of butter in a pan.
rusting of almirah.
boiling of water to form Steam
burning of baber and wood​

Answer 1

Answer:

1 chemical

2 physical

3 chemical

4 physical

5 chemical

Explanation:

as the ones which can be reversed and no new substances are formed is physical and vice versa

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.