How would you distinguish between


How would you distinguish between baking soda and washing soda upon heating ?


Baking soda is sodium hydrogen carbonate (NaHCO3). Upon heating, it will evolve CO2 gas which upon passing through lime water, will make it milky.

Washing soda is sodium carbonate decahydrate (Na2CO3.10H2O). Upon heating, it will not evolve any gas.

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