Chemistry
How are the following obtained:
(a) absolute alcohol
(b) spurious alcohol
(c) methylated spirit
Answer
(a) Absolute alcohol — By distilling wet alcohol with benzene, absolute alcohol can be obtained. The mixture of water and benzene distils off, leaving behind anhydrous alcohol.
(b) Spurious alcohol — It is illicit liquor made by improper distillation. It contains large proportions of methanol in a mixture of alcohols.
It's a blend of alcohol with a lot of methanol in it. It is fatal for human consumption.
(c) Methylated spirit — Ethyl alcohol is mixed 5% methyl alcohol, a coloured dye, and some pyridine to obtain methylated spirit.
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