Question

Sodium chloride, commonly known as common salt is highly soluble in water
a) Write the name given to the above solution
(25 . Or question )

Answer 1

Answer:

Explanation:

25) a) Chemical formula = Na₂CO₃

Chemical name = sodium carbonate

b) a cold and concentrated sodium chloride solution is reacted with ammonia and carbon dioxide to obtain sodium hydrogen carbonate. The sodium hydrogen carbonate is slightly soluble in water, so it precipitates out as solid. Secondly, now sodium hydrogen carbonate is separated by filtration, dried and heated.

2NaHCO3 ------- Na2CO3 + CO2 + H2O. ... Na2CO3. 10H2O is known as washing soda. NaCl is basic salt as it gives NaOH when dissolve in water.

c) In laundries and in softening of water as washing soda.

In the manufacture of glass,sodium silicate, paper,borx,soap powder, caustic soda,etc.

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Answer 2

Answer:

(25) (a) Sodium carbonate

Sodium carbonate, Na2CO3, (also known as washing soda, soda ash and soda crystals) is the inorganic compound with the formula Na2CO3 and its various hydrates...

(c) Washing soda is used:

In laundries and in softening of water as washing soda.

In the manufacture of glass,sodium silicate, paper,borx,soap powder, caustic soda,etc...

Explanation:

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