Question

What is plaster of pairs chemically? how is it prepared? list its two important uses.

Answer 1

Answer:

1. CaSO4.1/2 H2O------
2. it is prepared by heating gypsum CaSO4.2H2O , there by it looses water molecule and form CaSO4.1/2H2O
3. Making plasters support the broken bone

• At making idols(murti) eco friendly

Explanation:

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