s-Block ElementsHard

Question

The pair whose both species are used in antacid medicinal preparations is :

Options

A.NaHCO3 and Mg(OH)2
B.Na2CO3 and Ca(HCO3)2
C.Ca(HCO3)2 and Mg (OH)2
D.Ca(OH)2 and NaHCO3

Solution

NaHCO3 is used in medicine to neturalise the acidicty in the stomach. (OH)2 is basic in nature and dissolves in acids forming corresponding salts. So both are used in antacid medicinal preparations.

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