Question

explain the preparation of gypsum​

Answer 1

Answer:

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

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Answer 2

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Gypsum is a soft mineral, which is moderately soluble in water. Gypsum beds were formed due to the evaporation of water from the massive prehistoric sea basins. When water evaporates, the minerals present in it become concentrated, and crystallise.