1.

(a) Why does common salt get wet during the rainy season ? (b) How can this impurity be removed ? (c) Name a substance which changes the blue colour of copper sulphate crystals to white. (d) Name two crystalline substances which do not contain water of crystallisation.

Answer»

(a) Why does common salt get wet during the rainy season ?

(b) How can this impurity be removed ?

(c) Name a substance which changes the blue colour of copper sulphate crystals to white.

(d) Name two crystalline substances which do not contain water of crystallisation.



Discussion

No Comment Found