Question

state what happens when a)gypsum is heated at 373K. b)Blue crystals of copper sulphate are heated. c) salts which are obtained from strong acid and strong base

Answer 1

a) On heating gives somebody 373 K, it losses water molecules and become calcium sulphate hemihydrate.
b) When blue crystals of copper sulphate is heated the water molecules and gets removed and the salt turns white.
c) Salts which are obtained from strong acid and strong base is neutral.

Answer 2

Answer:

Explanation:

A)When gypsum is heated at 373k then it loses its water molecule and it will converted into hard solid that is calcium sulphate hemihydrate.

by this process plaster of Paris is form.

B) When blue crystals of copper sulphate is heated it will be colourless.

C) When excess co2 is passed through lime water then the milkiness will be disappeared.

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