Multiple choice

What is the chemical name of baking soda?

  1. Sodium bicarbonate

  2. Sodium nitrate

  3. Sodium carbonate

  4. Potassium nitrate
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A Correct answer
Explanation

Baking soda is the common name for sodium bicarbonate (NaHCO3), a white crystalline compound. It is used in baking as a leavening agent because it reacts with acids (like cream of tartar or buttermilk) to produce carbon dioxide gas, which makes baked goods rise. Sodium carbonate (washing soda) is a different compound. Sodium nitrate and potassium nitrate are used in fertilizers and food preservation.

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