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Sodium Carbonate

Name the salt...

Question

Name the salt which is mixed with carbon dioxide and calcium carbonate in the manufacturing of glass.

A

Calcium sulphate

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B

Sodium bicarbonate

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C

Sodium carbonate

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D

Copper sulphate

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Solution

The correct option is C
Sodium carbonate

Washing soda (Sodium carbonate) plays a significant role in the glass industry as it is used as an ingredient for the manufacturing glass. First, a mixture of washing soda, sand or silicon dioxide and calcium carbonate are heated at a very high temperature. Then, it is cooled down very quickly which results in the formation of glass.

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Describe giving all practical details, how would you prepare :

(a) copper sulphate crystals from a mixture of charcoal and black copper oxide,

(b) zinc sulphate crystals from zinc dust (powdered zinc and zinc oxide),

(c) sodium hydrogen carbonate crystals.

(d) Calcium sulphate from calcium carbonate.

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Q. write the formula of the following
oxygen ,hydrogen, water, carbon dioxide, copper sulphate ,ferrous sulphate, sodium carbonate, sodium chloride, sodium bicarbonate ,calcium carbonate, silver nitrate ,calcium oxide ,calcium hydroxide ,magnesium hydroxide, potassium nitrate ,sulphuric acid, hydrochloric acid, nitric acid.

Name the salt which is mixed with carbon dioxide and calcium carbonate in the manufacturing of glass.

Write the formulae of the salts given below.

Potassium sulphate, sodium sulphate, calcium sulphate, magnesium sulphate, copper sulphate, sodium chloride, sodium nitrate, sodium carbonate and ammonium chloride.

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