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Chemical Process

Chemical Process
Which of the following is not a product of coal tar distillation?

Carbolic oil
Anthracene
Cresote oil
None of these

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Chemical Process
Air used in aerobic fermentation must be sterilized, otherwise the

Recovery of product will be difficult
Uniformity of product cannot be achieved
Contamination of pure culture would result
None of these

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Chemical Process
Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid.

Dacron
Maleic anhydride
Phthalic anhydride
Vinyl chloride

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Chemical Process
__________ are used as corrosion inhibitor for iron & steel in aqueous solutions.

Phosphates
Bi-carbonates
Sulphates
Chromates

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Chemical Process
Chloral is used in the manufacture of

DDT
None of these
BHC
Parathion

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Chemical Process
Alcohol content in freshly prepared natural and fortified wine may be respectively around __________ percent.

7-14 and 40-50
14 - 30 and 40-50
7-14 and 14-30
10 - 20 and 40 - 50

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