Write any five uses of salts.

1.	Write any five uses of salts.
Answer» Common Salt (NaCl): It is used in our daily food and used as a preservative. 1. Washing Soda (Sodium Carbonate): It is used in softening hard water. It is used in glass, soap and paper industries. 2. Baking Soda (Sodium bicarbonate -NaHCO₃): It is used in making of baking powder which is a mixture of baking soda and tartaric acid. It is used in soda-acid fire extinguishers. Baking powder is used to make cakes and bread, soft and spongy. It neutralizes excess acid in the stomach and provides relief. 3. Bleaching powder (Calcium Oxychloride – CaOCl₂) It is used as disinfectant. It is used in textile industry for bleaching cotton and linen. 4. Plaster of Paris (Calcium Sulphate Hemihydrate – CaSO₄ . \(\frac{1}{2}\)H₂O) It is used for plastering bones. It is used for making casts for statues.

Answer»

Common Salt (NaCl):

It is used in our daily food and used as a preservative.

1. Washing Soda (Sodium Carbonate):

2. Baking Soda (Sodium bicarbonate -NaHCO₃):

It is used in making of baking powder which is a mixture of baking soda and tartaric acid.
It is used in soda-acid fire extinguishers. Baking powder is used to make cakes and bread, soft and spongy.
It neutralizes excess acid in the stomach and provides relief.

3. Bleaching powder (Calcium Oxychloride – CaOCl₂)

4. Plaster of Paris (Calcium Sulphate Hemihydrate – CaSO₄ . \(\frac{1}{2}\)H₂O)

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