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How is POP chemically different from …

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How is POP chemically different from gypsum? How can they be interconverted?Write two uses of POP.

Posted by Account Deleted 5 years, 3 months ago

CBSE > Class 10 > Science

2 answers

Omprakash Op 5 years, 3 months ago

It is not 380 k it is 373 k (100°C) because if it is heated above 373k so dead burnt plaster (CaSo4) is formed.

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Priya ✧*｡٩(๑˙╰╯˙๑)و✧*｡ 5 years, 3 months ago

Plaster of Paris is calcium sulphate hemihydrate (CaSO4. V2H2O) while gypsum is calcium sulphate dihydrate (CaSO4.2H2O). Gypsum, when heated at a temperature of about 380K, changes to Plaster of Paris. Plaster of Paris, when mixed with water, changes into hard mass called gypsum. Plaster of Paris is used in hospitals for setting fractured bones.It is used for making moulds or casts for toys pottery, ceramics etc.

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CBSE > Class 10 > Science