state the chemical properties on which the following uses of baking soda are based: 1. as an antacid 2. as a constituent of baking soda 3.applied on honey bee stung area
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1. It is a white crystalline, solid sparingly soluble in water at room temperature.
2.its aqueous solution is weakly alkaline due to hydrolysis.
3.on heating it decomposes to give sodium carbonate and carbon dioxide
2NAHCO3(s) ----Δ-----> Na2CO3(s) +H2O(l)+co2(g)
4.it reacts with acid to give SO2 gas
5.the solution is alkaline in nature due to hydrolysis of the salt .
2.its aqueous solution is weakly alkaline due to hydrolysis.
3.on heating it decomposes to give sodium carbonate and carbon dioxide
2NAHCO3(s) ----Δ-----> Na2CO3(s) +H2O(l)+co2(g)
4.it reacts with acid to give SO2 gas
5.the solution is alkaline in nature due to hydrolysis of the salt .
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