Question

explain the preparation of gypsum​

Answer 1

★᭄ꦿ᭄ꦿᗩᑎՏᗯᗴᖇ★᭄ꦿ᭄ꦿ

━━━━━━━━━━━━━━━━━━━━━━━━

Preparation: It can be prepared by the action of dilute sulphuric acid on calcium carbonate or calcium hydroxide.

Properties:

(i) It is a white crystalline solid sparingly soluble in water.

(ii) On heating to 393 K, it changes into. On heating to about 437 K, it changes into anhydrous calcium sulphate.

━━━━━━━━━━━━━━━━━━━━━━━━

✰ ᕼOᑭᗴ IT ᕼᗴᒪᑭՏ YOᑌ ✰