Question

Chemical and physical change why. (b)melting of butter,in a pen.
(c)Rusting of iron almirah .
(d) boiling of water to form steam.
(e)Passing of electric current,through water and the water breaking down into hydrogen and oxygen ,gases.
(f) Dissolving common salt and in water.
(g) Making a fruit salad from raw fruit.
(h) burning of paper and wood.​

Answer 1

b,c,d are Physical Changes

e,f,g,h are Chemical Changes

Answer 2

Answer:

B. PHYSICAL CHANGE CUZ NO NEW SUBSTANCE FORMED

C. CHEMICAL CHANGE CUZ NEW SUBSTANCE FROMED

D. PHYSICAL CHANGE CUZ NO NEW SUBSTANCE FROMED

E. I DON'T KNOW.

F. CHEMICAL CHANGE CUZ NEW SUBSTANCE NACL IS FROMED

G. CHEMICAL CHANGE

H. CHEMICAL CHANGE NEW SUBSTANCE ASH IS FROMED