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Acids, Bases and Salts — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceAcids, Bases and Salts2 Marks
Question
What is ‘Baking Powder’? How does it make the cake soft and spongy?
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Answer

Baking powder is a mixture of baking soda (NaHCO3) and an edible acid like tartaric acid. Baking powder on heating produces carbon dioxide gas which causes bread or cake to rise making it soft and spongy.

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