GEOLOGY

EARTH SCIENCE

MINERAL PHYSICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
plaster and drywall comes from what mineral group
A
sulfates
B
sulfides
C
oxides
D
carbonates
Explanation: 

Detailed explanation-1: -Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO. 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-2: -Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate.

Detailed explanation-3: -common drywall types is the gypsum panel. Gypsum, a natural mineral in crystalline form, is a hydrous sulfate of calcium. Gypsum board contains a gypsum rock core sandwiched between two layers of special paper. In fire-resistant panels, required for many types of construction, glass fibres are mixed with the gypsum…

Detailed explanation-4: -Gypsum plaster is a white cementing material made by partial or complete dehydration of the mineral gypsum, commonly with special retarders or hardeners added. Applied in a plastic state (with water), it sets and hardens by chemical recombination of the gypsum with water.

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