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Chemical Process

Chemical Process
Concentration of NaOH solution produced by diaphragm electrolytic cell is about __________ percent.

98
50
10
25

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Chemical Process
High temperature carbonisation of coal produces

Inferior coke compared to low temperature carbonisation
Less of gases compared to liquid products
None of these
Larger quantity of tar compared to low temperature carbonisation

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Chemical Process
Dehydrogenation of ethyl benzene produces

Naphthalene
Phenol
Styrene
Benzoic acid

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Chemical Process
Kaoline is a/an

Synthetic resin
Blue pigment
Refractory material
Artificial abrasive

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Chemical Process
A 'unit process' is exemplified by the

Absorption
Hydrogenation of oils
Humidification
Distillation

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Chemical Process
Washing of coal is done to

Remove the inherent impurities
Both B and C
Reduce the ash content
Remove the adhering impurities

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MORE MCQ ON Chemical Process

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