Question

One of the constituents of baking powder is sodium hydrogen carbonate, the other constituent is a.hydrochloric acid B. Tartaric acid C. Acetic acid D. Sulphuric acid ​

Answer 1

Baking powder contains a base which is generally bicarbonate, a dry buffer and an acid salt. The acid salt is a weak acid which is responsible for reacting with the base and thus producing carbon dioxide, providing leavening to the mixture.

Therefore, the correct answer is option B
Tartaric acid.