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Materials( in Plants?Balanced3 How caustic soda obtained ? Mention its uses Equipon4 HOW es plaster of Paris prepared2 write the reaction​

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Answer:

3 How caustic soda obtained ? Mention its uses Equipon?

ANS: Caustic Soda Lye is one of the most widely USED chemicals in the industry. ... The main applications are water treatment and water PURIFICATION, as cleaning agent, or a wide range of usesin chemical industry like starch production or for the desulphurization in the petrochemical industry.

4 HOW es plaster of Paris prepared2 write the reaction ?

Ans: Plaster of Paris is prepared by HEATING gypsum at 373 K. On heating, it loses water molecules and becomes CALCIUM sulphate hemihydrate (CaSO4. 1/2 H2O) which is called Plaster of Paris.



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