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Liquid ethanol can be separated from a mixture of ethanol and water by:

1. Chromatography
2. Fractional distillation
3. centrifugation
4. All of above

Correct answer: Fractional distillation

Solution

Ethanol and water are miscible liquids with different boiling points, so they are best separated by fractional distillation. Chromatography and centrifugation are not appropriate for separating two mixed liquids like this.

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