Question

Explain the significance of '2H2O' in gypsum. ​

Answer 1

Answer:

Gypsum is composed of calcium sulphate (CaSO4) and water (H2O). Its chemical name is calcium sulphate dihydrate (CaSO4. 2H2O). ... Gypsum also has a “closed recycling loop”, meaning it can be endlessly recycled while maintaining a high quality.

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Answer 2

Explanation:

Gypsum is composed of calcium sulphate (CaSO4) and water (H2O). Its chemical name is calcium sulphate dihydrate (CaSO4. 2H2O). ... Gypsum also has a “closed recycling loop”, meaning it can be endlessly recycled while maintaining a high quality

Gypsum uses include: manufacture of wallboard, cement, plaster of Paris, soil conditioning, a hardening retarder in portland cement. Varieties of gypsum known as "satin spar" and "alabaster" are used for a variety of ornamental purposes; however, their low hardness limits their durability.

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