Question

1. baking soda is chemically known as: na₂co₃ nahco₃ caco₃ khco₃

Explanation:

Baking soda is sodium bicarbonate. Its chemical formula is NaHCO₃. Na₂CO₃ is sodium carbonate, CaCO₃ is calcium carbonate, and KHCO₃ is potassium bicarbonate.

Answer:

B. NaHCO₃