Which of the following can be used for alcohol denaturation?
A
Ethanol
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B
Pyridine
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C
Copper sulfate
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D
(b) and (c) above.
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Solution
The correct option is D (b) and (c) above. Laboratory alcohol is unfit for consumption. Laboratory alcohol is deliberately coloured and made into a foul-smelling liquid to distinguish it from consumable alcohol. This is known as denaturation of alcohol.