Baking soda is a mixture of

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West Bengal Civil Service (WBCS) Preliminary 2023

Answer

sodium hydrogen carbonate and tartaric acid

Explanation

Baking powder is a mixture of baking soda (sodium hydrogen carbonate) and a mild edible acid like tartaric acid.

Key Points

  • The chemical formula for baking soda is NaHCO3.
  • Tartaric acid helps neutralize the bitter taste of sodium carbonate.
  • It releases CO2 when heated or mixed with water, making dough rise.

Additional Information

  • Sodium carbonate (Na2CO3) is known as washing soda.
  • Vinegar contains acetic acid, which reacts rapidly with baking soda.
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