If a piece of wood just floats in water. What happens to it in ethanol?

It floats higher

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It stays as before

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It sinks

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First sinks and then rises

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Solution

The correct option is C It sinks
At room temperature and standard pressure, the first family of alcohol (methanol, ETHANOL and iso-propyl) all have densities of about 0.79g/cc compare to water at the same conditions with a density of 1.0g/cc.
Since the density of ethanol is less than the density of water so, when a piece of wood which is just floating in water is placed in ethanol, sinks.

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