Question

Write chemical formula of washing soda how is it obtain from baking soda name one industrial use of washing soda

Answer 1

Na2CO3 is the chemical formula of washing soda.
When baking soda is heated, sodium carbonate, water and CO2 are produced. Sodium carbonate obtained is dissolved in water and crystals of washing soda are obtained by crystallization.
It is used in the manufacture of glass, paper and detergents..
hope dis helps uh..

Answer 2

Answer:

1. The chemical formula of washing soda is Na₂CO₃  10H₂O.
2. Baking soda (NaHCO₃) is strongly heated to form soda ash.                    2NaHCO₃ (s) heat ---->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
3. Washing soda is used in the manufacture of glass.