One of the constituents of baking powder is sodium hydrogencarbonate, the other constituent is (a) hydrochloric acid (b) tartaric acid (c) acetic acid sulphuric acid

• Soln:

Answer is (b) tartaric acid

Explanation:

A Mild edible acid along with Sodium Hydrogen Carbonate is used to prepare baking powder. Here acetic acid or citric acid can also be used in place of tartaric acid.