alleryBaking soda (NaHCO₃) is used in antacid tablets mainly because it:
Athickens stomach lining
Bneutralises stomach acid
Ckills stomach bacteria
Dabsorbs water in gut
Answer & Solution
Correct answer: B. neutralises stomach acid
NaHCO₃ is a mild base.
In the acidic stomach it neutralises excess HCl, easing the discomfort of acidity.
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