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Baking soda, often used to relieve acidity, is chemically:

Asodium chloride (NaCl)
Bsulphuric acid
Csodium hydrogencarbonate (NaHCO₃)
Dcalcium carbonate (CaCO₃)
Answer & Solution
Correct answer: C. sodium hydrogencarbonate (NaHCO₃)
Baking soda is sodium hydrogencarbonate, NaHCO₃, a mild base that neutralises excess stomach acid.
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