State two properties of washing soda......❓❓❓

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State two properties of washing soda......❓❓❓

Posted by Ishika ? 5 years, 5 months ago

CBSE > Class 10 > Science

4 answers

Ishika ? 5 years, 5 months ago

Ok....

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Ishika ? 5 years, 5 months ago

Thank you mr.avi.....

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Vaibhav (Silent Love)?? Avi 270505??? 5 years, 5 months ago

Washing Soda. Its chemical formula is Na2CO3. 10H2O, i.e. sodium carbonate decahydrate, i.e. one mole of Na2CO3 contains 10 moles of water of crystallization. ... Properties of Washing Soda. (i) It is a transparent crystalline solid. (ii) It contains ten molecules of water of crystallization.

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Yogita Ingle 5 years, 5 months ago

It is a crystalline solid which is white in colour.
It exists as a monohydrated salt (Na₂CO₃.10H₂O), anhydrous salt (Na₂CO₃), heptahydrous salt (Na₂CO₃.7H₂O) and decahydrate salt (Na₂CO₃.10H₂O).
Sodium carbonate is basic in nature.
It has a melting point of 851°C.
In the presence of heat, it loses its water to form an anhydrous salt (soda ash).
Na₂CO₃.10H₂O → Na₂CO₃.H₂O → Na₂CO₃ (at 373 K)

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CBSE > Class 10 > Science