The common name of sodium hydrogen carbonate is-

Correct option is D

The correct answer is (d) Baking soda.
· Sodium hydrogen carbonate (NaHCO₃) is commonly known as baking soda. It is used in cooking, as an antacid, and for various household purposes.
Information Booster:
· Common salt: The chemical name is sodium chloride (NaCl).
· Epsom salt: The chemical name is magnesium sulfate (MgSO₄).
· Milk of magnesia: The chemical name is magnesium hydroxide (Mg(OH)₂), used as an antacid and laxative.