Q37Short answer
How would you distinguish between baking powder and washing soda by heating?
Show answer
The chemical for mula of baking powder is sodium hydrogencarbonate (NaHCO3). Whereas, that of washing soda is sodium carbonate (Na2CO3.10H2O) Sodium hydrogencarbonate on heating gives CO 2 gas which will turn lime water milky whereas no such gas is obtained from sodium carbonate. 2NaHCO3 o Na2CO3 + H2O + CO2 Na2CO3.10H2O o Na2CO3 + 10H2O