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31/10/2020 7:04 pm
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A white powder is added while baking breads 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 reaction taking place when the powder is heated during baking.
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31/10/2020 7:09 pm
Baking powder.
It consist of sodium hydrogen carbonate and tartaric acid.
Sodium hydrogen carbonate gives CO2 which makes cake soft and fluffy. Tartaric acid neutralizes the bitterness due to sodium carbonate produced.
2NaHCO3(s) + heat → Na2CO3(s) + CO2(g) + H2O