Give general properties of salt

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Give general properties of salt

Posted by Ved Rawat 4 years, 11 months ago

CBSE > Class 10 > Science

1 answers

Gaurav Seth 4 years, 11 months ago

Properties:

Salts are mostly solids which melt as well as boil at high temperatures.
Salts are generally soluble in water. For example, sodium chloride, potassium sulphate, aluminium nitrate, ammonium carbonate, etc., are soluble salts while silver chloride, lead chloride, copper carbonate, etc., are insoluble in water.
It is a white crystalline solid. It exists as decahydrate of sodium carbonate.
When exposed to dry air and heating it loses water molecules to change into anhydrous form.
Na₂CO₃.10H₂O + Exposure to open dry air → Na₂CO₃.H₂O + 9H₂O
Na₂CO₃.H₂O + Heating → Na₂CO₃
It is soluble in water and during dilution heat will releases out.
On reaction with acids sodium carbonate releases carbon dioxide along with the formation of sodium salts and water. Na₂CO₃ + HCl → 2NaCl + H₂O + CO₂
Sodium carbonate is used to manufacture of glass, cleansing agents, soap, glass and paper.

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