Question

write on washing soda​

Answer 1

$\huge\bf \red \: \boxed{\mathfrak{ \: washing\: soda \:}}$

→ Chemical name - Sodium Carbonate (Na2CO3)

Common name - Washing Soda

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→ Preparation..

NaCl + NH3 + CO2 + H2O ---> NaHCO3 + NH4Cl

2NaHCO3 ----> Na2CO3 + H2O + CO2

Na2CO3 + 10H2O ----> Na2CO3.10H2O

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→ Uses...

* Manufacturing of glass, borax, caustic soda etc.

* As a laboratory agent.

* In textile and paper industry.

* Softening of hard water.

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Answer 2

Answer:

Washing Soda is sodium carbonate containing 10 molecules of water of crystallisation. So, we can say that washing soda is sodium carbonate decahydrate (Na2CO3. 10H2O). The sodium carbonate which does not contain any water of crystallisation is called anhydrous sodium carbonate or soda ash (Na2CO3).

Explanation:

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