Question

SO)
Classify following a chemical or Physical
Change

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 water breaking down into hydrogen and oxygen gases
6) dissolving common salt in water
7) making a fruit salad with raw fruits
8) burning of paper and wood​

Answer 1

Answer:

1). No

2) yes

3) No

4) yes

5)yes

6) No

7)No

8) No

Answer 2

Answer:

cutting of trees:- physical change

melting of butter in a pan:-chemical change

rusting of almirah:-chemical change

boiling of water to form steam:-physical change

passing of electric current through water and water breaking down into hydrogen and oxygen gases:-chemical change

dissolving common salt in water:-physical change

making a fruit salad with raw fruits:-physical change

burning of paper and wood:-chemical change