GENERAL KNOWLEDGE

Detailed explanation-1: -Calcium sulfate, CaSO4, is a naturally occurring calcium salt. It is commonly known in its dihydrate form, CaSO4∙2H2O, a white or colourless powder called gypsum. As uncalcined gypsum, the sulfate is employed as a soil conditioner. Calcined gypsum is used in making tile, wallboard, lath, …

Detailed explanation-2: -Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO 4·2H2O. It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, blackboard or sidewalk chalk, and drywall.

Detailed explanation-3: -The name gypsum comes from a Greek work meaning calcined or burned. Selenite, a variety of gypsum with colorless, clear crystals, gets its name from a Greek word for moon. This is because the pear-like luster of selenite gypsum resembles moonlight.

Detailed explanation-4: -Gypsum is calcium sulfate (CaSO4). Refined gypsum in the anhydrite form (no water) is 29.4 percent calcium (Ca) and 23.5 percent sulfur (S). Usually, gypsum has water associated in the molecular structure (CaSO4·2H2O) and is approximately 23.3 percent Ca and 18.5 percent S (plaster of paris).

Detailed explanation-5: -Calcium sulfate is a calcium salt and an inorganic calcium salt. ChEBI. A calcium salt that is used for a variety of purposes including: building materials, as a desiccant, in dentistry as an impression material, cast, or die, and in medicine for immobilizing casts and as a tablet excipient.