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Gypsum is heated ....

Gypsum is heated .

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Plaster of Paries is formed . `underset("Gypsum")(CaSO_(4)*2H_(2)O)overset("Heat")toCaSO_(4)*(1)/(2)H_(2)O+(3)/(2)H_(2)O`
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(a). What is gypsum? What happens when gypsum is heated to 100^(@)C (373K)? (b) Name a sodium compound which is used for making borax and glass. (c) Name the compound which is used in hospitals for setting fractured bones. (d) Which is the real bleaching agent present in bleaching powder?

Gypsum is added to cement because

Gypsum is added to portland cement to

Assertion Gypsum is added to cement to increase its rate of setting. Reason Gypsum is calcium sulphate hemihydrate.

Gypsum ion heating at 120-130^(@)C gives:

Gypsum on heating gives

Gypsum on heating at 393K produces

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