Question

identify the physical changes of the following-A] MELTING OF ICE

B]RUSTING OF IRON

C]SUBLIMATION OF IODINE

D]BURNING OF MAGNESIUM IN AIR

Answer 1

Physical changes:
A] MELTING OF ICE- Solid to liquid

B] RUSTING OF IRON- It is chemical change. Change in colour is observed.

C] SUBLIMATION OF IODINE- Solid to gas.

D] BURNING OF MAGNESIUM IN AIR- It is chemical change. Results into formation of white ash.