Uses of some Salts

Sodium chloride

• Used to flavour food during their preparation.
• Used as a food preservative.
• Used to produce chemicals such as chlorine and hydrochloric acid, to produce sodium hydroxide to produce sodium carbonate by solvay process, to glaze earthenware, to make soap and also used in tanning.

Copper sulphate

• Used as a fungicide in agriculture.
• Used in making chemical reagents (Benedict solution and Fehling solution).
• Used in electroplating.
• Used in paint industry.


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