'baking soda' actaully is-
-
potassium carbonate
-
sodium carbonate
-
potassium bicarbonate
-
sodium bicarbonate
D
Correct answer
Explanation
Baking soda is the common name for sodium bicarbonate (NaHCO3), a compound consisting of sodium and bicarbonate ions. It's widely used as a leavening agent in baking because it reacts with acids to produce carbon dioxide gas. Potassium bicarbonate (option C) exists but is not called baking soda.