Question

1. Classify the following as chemical or physical changes:

1 cutting of trees,

2 melting of butter in a pan,

3 rusting of almirah,

4 boiling of water to form steam

5 passing of electric current, through water and the water breaking down into hydrogen and oxygen gases,

6 dissolving common salt in water,

7making a fruit salad with raw fruits, and

8burning of paper and wood. +hina​

Answer 1

Answer:

Chemical Changes:-

3. Rusting of Almirah

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

6. Dissolving common salt in water

Physical Changes:-

1. Cutting of trees

2. Melting of butter in a pan

4. Boiling of water to form steam

7. Making fruit salad with raw fruit

8. Burning of paper and wood

Answer 2

Answer:

it ia physical change first