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In very cold countries alcohol is used as a thermometric liquid because

alcohol is a poor conductor of heat
alcohol can be coloured for its level to be seen easily
its freezing point is very low
it will not stick to the glass tube

Correct Answer: its freezing point is very low

Explanation:

Alcohol has a freezing point as low as $- 117 o C$ . So it won't freeze even in very cold countries.

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