Distinguish between baking powder and washing soda by heating

Asked by admin @ 17/08/2021 in Chemistry viewed by 297 People

How would you distinguish between baking powder and washing

soda by heating?
NCERT Class X
Science - Exemplar Problems
Chapter_Acids, Bases and Salts

Answered by admin @ 17/08/2021

Baking soda (NaHCO3) on heating produces carbon dioxide (CO2), which extinguishes a burning matchstick.

But washing soda (Na2CO3.10H2O) on heating does not produce any such gas, thus, it has no effect on burning matchstick.

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