Q. 7

(a) Study the fol

Answer :


Reactant: Gypsum


Product: Plaster of Paris and water


Use: Plaster of Paris is used in hospitals for setting fractured bones in the right position to ensure correct healing.


(b)

























S.no.



Salt



Acid



Base



Nature



1.



Sodium chloride



Hydrochloric Acid (HCl)



Sodium hydroxide



Neutral



2.



Ammonium nitrate



Nitric acid (HNO3)



Ammonium hydroxide (NH4OH)



Acidic



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