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Question

Chemical formula of cooking soda is

This question was previously asked in
CDS 2 2026 Maths Question Paper (13-Sep-2026)
The correct answer is

NaHCO3

Cooking soda, also called baking soda, is chemically sodium bicarbonate with the formula NaHCO3. On heating it decomposes to release carbon dioxide, which is why it is used in baking and as an antacid.

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