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A white powder is added while baking bre...

A white powder is added while baking bread and cakes to make them soft and fluffy. Write the name of the powder. Name its main ingredients. Explain the function of each ingredient. Write the chemical reaciton taking place when the powder is heated.

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The name of the white powder is baking powder. It consists of Sodium hydrogen carbonate and tartaric acid.
Sodium hydrogen carbonate `(NaHCO_(3))` give carbon dioxide `(CO_(2))` which makes cakes soft and fluffy. Tartaric acid neutralize the bitterness due to the formation of sodium carbonate `(Na_(2)(O_(2)))`
`2NaHCO_(3)(s) overset("heat")rarr Na_(2)CO_(3)(s) + CO_(2)(g) + H_(2)O(l)`
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