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Chemical Process

Chemical Process
Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.

SO₂
SO₃
NH₃
Cl₂

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Chemical Process
Nitrogen is an essential component of

Mineral salts
Carbohydrates
Proteins
Fats

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Chemical Process
Blue vitriol is chemically

Ferrous sulphate
Copper sulphate
Copper nitrate
Aluminium sulphate

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Chemical Process
Salt is added in the kettle during soap manufacture to separate

Soap from lye
Glycerine from lye
The unsaponified fat from soap
The metallic soap

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Chemical Process
DDT should not be allowed to come in contact with iron (during its manufacture) to

Avoid its decomposition
Achieve non-hygroscopic property
Prevent sulphonation of the monochlorobenzene by the acid catalyst
None of these

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Chemical Process
Iron ore hametite is concentrated using

Froth floatation
Gravity separation
Electro magnetic separation mainly
Roasting

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