Question

A blue salt becomes white on heating ? explain the change in colour? in very very short answer​

Answer 1

Answer:

Hydrated Copper Sulphate crystals [CuSO4. 5H2O] are blue in colour. When copper sulphate crystals are heated strongly, they loose all the water of crystallization and form anhydrous copper sulphate [which is white in colour]. The water of crystallisation gives the crystals of their salts their shape and colour.

Explanation:

Hope you understand mate

Answer 2

Answer:

the colour changed because the excobitocioies was changed and iodine was killed