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Science · 2025 · 2 marks
CBSE 2025 · Region 3 · Set 2 · Q22
Giving reason, state the advantage of using baking powder over baking soda for the preparation of bread or cakes.
Giving reason, state the advantage of using baking powder over baking soda for the preparation of bread or cakes.
Marking-scheme solution
Baking powder contains mild edible acid like tartaric acid/liberates carbon dioxide easily/ neutralizes the sodium carbonate produced on heating baking soda/ removes the bitter taste
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\(\displaystyle \mathrm{NaHCO}_{3}+\mathrm{H}^{+} \rightarrow \mathrm{CO}_{2}+\mathrm{H}_{2} \mathrm{O}+\) Sodium salt of acid
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CBSE Class 10 Science past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.