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What is plaster of Paris and how gypsum is formed

Posted by Shiva Gowri 4 years, 11 months ago

CBSE > Class 10 > Science

3 answers

Shiva Gowri 4 years, 11 months ago

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Gaurav Seth 4 years, 11 months ago

Answer:

The name plaster of Paris came from the fact that it was first of all made by heating gypsum which was mainly found in Paris. The compound plaster of Paris is prepared by heating gypsum at 120^oC.

CaSO₄.2H₂O → CaSO₄.1/2H₂O + 3/2H₂O

The chemical formula for the plaster of Paris is (CaSO₄) H₂O and is better known as calcium sulfate hemihydrate.

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Yogita Ingle 4 years, 11 months ago

Plaster of Paris is a popular substance that is utilized most commonly for sculpting materials and in gauze bandages. While we have seen many applications of this material in our everyday lives if we try to understand its chemistry, plaster of Paris is a white powdery chemical compound which is hydrated calcium sulfate that is usually obtained from calcining gypsum.

Plaster of Paris is also referred to as Gypsum plaster. The chemical formula of plaster of Paris is written as CaSO4·H2O or 2CaSO4·H2O.

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