Absolute alcohol is:

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(A) Ethanol is a colorless,volatile liquid with a characteristic smell. It is represented by the chemical formula $CH_3CH_2OH$. Absolute alcohol is de

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$100 \%$ pure ethanol

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(A) Ethanol is a colorless,volatile liquid with a characteristic smell. It is represented by the chemical formula $CH_3CH_2OH$. Absolute alcohol is defined as ethanol that contains almost no water,typically having a purity of more than $99 \%$ by weight. Rectified spirit or rectified alcohol is a mixture of $95 \%$ ethanol and $5 \%$ water. Denatured alcohol is ethanol that has been made unfit for human consumption by adding additives like methanol ($95 \%$ ethanol $+ 5 \%$ methanol). Therefore,absolute alcohol refers to $100 \%$ pure ethanol.

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