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Chemical Process

Chemical Process
Phosphoric acid is prepared from

Rock phosphate
Cryolite
Chalcopyrite
None of these

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Chemical Process
Argon is the third largest constituent of air (followed by Nā‚‚ & Oā‚‚). Its percentage by volume in air is

1.4
0.34
0.94
0.14

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Chemical Process
Raw materials for 'Solvay Process' for manufacture of the soda ash are

None of these
Ammonia, salt and limestone
Ammonia limestone and coke
Salt, limestone and coke or gas

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Chemical Process
Caprolactum (a raw material for nylon-6 manufacture) is produced from

Benzene
Naphthalene
Pyridine
Phenol

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Chemical Process
CaCl(OCl) is the chemical formula of

Aqua regia
Bleaching powder
Hypo
Plaster of paris

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

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

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MORE MCQ ON Chemical Process

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