Central Board Of Secondary Education [CBSE] — Science

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Laxmi International School

In science class 10th set 4 paper Ques 31: Assertion: Sodium hydrogen carbonate is used as an ingredient in antacids.
Reason: NaHCO3 is a mild non corrosive basic salt .
According to the answer key sent by cbse it's showing 'B ' as the correct answer that both assertion and reason are correct but is not correct explanation .
But it's answer must be 'A' that both Assertion and reason are correct and correct explanation because reason is telling us that NaHCO3 is used as an antacid because it's an mild basic salt and non corrosive also so that it doesn't harm our stomach .