Chemistry
Identify the reactant and write the balanced equation for the following:
Nitric acid reacts with compound Q to give a salt Ca(NO3)2, water and carbon dioxide.
Acids Bases Salts
ICSE Sp 2025
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Answer
The compound 'Q' in this reaction is calcium carbonate or calcium bicarbonate.
When nitric acid reacts with calcium carbonate, it produces calcium nitrate, water and carbon dioxide.
CaCO3 + 2HNO3 ⟶ Ca(NO3)2 + H2O + CO2
OR
Ca(HCO3)2 + 2HNO3 ⟶ Ca(NO3)2 + 2H2O + CO2
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