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in S - block elements - alkali and alkaline earth metals by (63.7k points)

Identify the correct statement : 

(A) Gypsum contains a lower percentage of calcium than Plaster of Paris 

(B) Gypsum is obtained by heating Plaster of Paris 

(C) Plaster of Paris is obtained by hydration of gypsum 

(D) Plaster of Paris is obtained by partial oxidation of gypsum

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(A) Gypsum contains a lower percentage of calcium than Plaster of Paris

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