CBSE Class 10 Science 2021 Term 1 Solved Paper

Direction for Question No. 31- 35

It consists of two statements - Assertion (A) and Reason (R). Answer these questions selecting the appropriate options given below:

Question : 31

Total: 60

Assertion (A): Sodium hydrogen carbonate is used as an ingredient in antacids.
Reason (R): NaHCO3 is a mild non-corrosive basic salt.

Solution:

Explanation: antacid because it neutralizes the excess acid produced in the stomach. NaHCO3 is a mild non-corrosive basic salt.

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