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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 $\left( NaHCO _3\right)$ 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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