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Chemical Process

Chemical Process
Sugar content in sugarcane on cane basis is about __________ percent by weight.

20 to 30
15 to 20
1 to 5
5 to 10

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Chemical Process
Superior quality laboratory apparatus is made of the __________ glass having low thermal co-efficient of expansion & high chemical resistance.

Flint
Soda
Potash
Pyrex

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Chemical Process
Which of the following is a constituent of coffee?

Caffeine
Calgon
Nicotine
Lignin

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Chemical Process
Catalytic oxidation of naphthalene produces

Phenol
None of these
Phthalic anhydride
Styrene

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Chemical Process
The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by

Electrolytic reduction
Electrolytic oxidation
None of these
Electrolysis

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Chemical Process
Which of the following processes does not produce Cl₂ as a co-product during the manufacture of caustic soda?

Mercury electrolytic cell process
Diaphragm electrolytic cell process
Lime-soda process
None of these

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