p-Block elementsHard

Question

A bottle of  fire extinguishers contain H2SO4 and :

Options

A.CaCO3
B.MgCO3
C.NaHCO3
D.any carbonate

Solution

2NaHCO3 + H2SO4 → Na2SO4 + 2CO2­ ↑+ 2H2O

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