Question

What happens when water is added to plaster of paris

Answer 1

Plaster of Paris, which is obtained from Gypsum, is heated at a temperature of 150 degrees Celsius, resulting to become a dry powder.

When this dry powder is mixed with water, it again goes back into the state of becoming a paste which eventually hardens into becoming a solid lump after the water from it has evaporated.

Answer 2

Answer:

Plaster of Paris is formed from gypsum. The gypsum is heated to 150 decrees Celsius and becomes a dry powder. When this powder is mixed with water it re-forms into a paste and eventually hardens into a solid. The powder mixed with water is held together by hydrogen bonds in the water molecules

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