Salt a commonly used in bakery products on heating gets converted into another salt b which itself is used for removal of hardness of water and a gas' is evolved. The gas c when pamed through the limewater, turns it milky. Identify a, b and c
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a is baking soda -sodium hydrogen carbonate NaHCO3
b i washing soda-sodium carbonate Na2CO3 [but in anhydrous state since it is stated only heating is done no water is added if water is added then there will a change in formula]
hydrated sodium carbonate
Na2CO3.10H2O
C is carbon dioxide co2
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