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

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

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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
The zeolite water softening process reduces the hardness of water by not more than 50%
Water with pH value less than 7, is acidic

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