1.

Pper sulphate crystal contains water of crystallisation when the crystalis heated the water is removed and salt turns white. Them crystal can bemoistened again with water. The water of crystallisation is the fixednumber of water molecules present in 1 formula unit of copper sulphate.On heating gypsum at 373K, it loses water molecules and becomescalcium sulphate hemihydrate.i If the copper sulphate crystal is moistened with water colour of crystalreappear a. blue b. green c. black d. pink​

Answer»

Answer:

d.pink

Explanation:

because copper sulphate is obviously an GREEN colour it TURN moistened with WATER colour of CRYSTAL ~GIVES pink colour



Discussion

No Comment Found

Related InterviewSolutions