Chemical Process
Nicotine is

A volatile alkaloid
Both A and B
Obtained by treating by-products of the tobacco processing industry
Neither A nor B

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Chemical Process
Fusel oil is a/an

Essential oil
None of these
Extract from medicinal herbs
Mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses)

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Chemical Process
Pick out the false statement pertaining to water treatment.

Sodium sulphate or sodium carbonate do not cause hardness in water
Aeration of water is effective in CO₂ removal
Water with pH value less than 7, is acidic
The zeolite water softening process reduces the hardness of water by not more than 50%

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Chemical Process
The chamber process is

Non-catalytic and operates only on pyrites
A batch process for directly producing high strength (98 to 100%) H₂SO₄
Preferred over contact process for producing 98 to 100% H₂SO₄ and various oleums
None of these

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