Multiple choice

What is baking soda?

  1. Potassium carbonate

  2. NaOH

  3. NaCO3

  4. Sodium bicarbonate
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Baking soda is sodium bicarbonate (NaHCO3), a leavening agent that releases carbon dioxide when heated or combined with acid. Potassium carbonate is a different compound, NaOH is sodium hydroxide (lye), and NaCO3 is not a stable compound.

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