How can washing soda be obtained from baking soda? Name an industrial use of washing soda other than washing clothes?
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Answer:
2NaHCO3 ---> Na2CO3 + H2O + CO2
It is used in making glass..
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Baking soda (NaHCO3) is strongly heated to form soda ash
2NaHCO3(s) ----> Na2CO3 + H2O(l) + CO2(g)
The soda ash is dissolved in boiling hot water so as to obtain its saturated solution. The saturated solution so obtained is allowed to cool, when washing soda crystals separate out.
Na2CO3 + 10H2O ----> Na2CO3 . 10H2O
Washing soda is used in the manufacture of glass.
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