identify the compound of calcium which is used for bleaching washed clothes in laundry with chemical equations show how it is prepared and what precautions should be taken during the use of this compound mention its use in chemical industry and drinking water distribution
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Answer:
the calcium compound is calcium oxychloride
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Chemical formula of Plaster of Paris.
CaSO₄. 1/2 H₂O
Preparation :
On heating Gypsum at 373 K Plaster of Paris is formed.
CaSO₄. 2 H₂O ⇒ CaSO₄. 1/2 H₂O + 3/2 H₂O
Special precaution :
We shouldn't heat gypsum above 373 K else it will not form.
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