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Question

Baking powder has one of the following constituents, which is:

A
Na2CO3
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B
Na2SO4
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C
KHCO3
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D
NaHCO3
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Solution

The correct option is C NaHCO3

Sodium bicarbonate, also called sodium hydrogen carbonate, or bicarbonate of soda, NaHCO3, is a source of carbon dioxide and so is used as an ingredient in baking powders, in effervescent salts and beverages, and as the main constituent of dry-chemical fire extinguishers. Its slight alkalinity.


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