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Weather and climate

What liquids ...

Question

What liquid(s) are used to indicate temperature in a thermometer ?

A

mercury

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B

oil

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C

water

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D

alcohol

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Solution

The correct options are
A mercury
D alcohol
Mercury has a high coefficient of expansion and hence is very sensitive to temperature changes . This is why it is used in thermometers . In cold regions, alcohol thermometers are used because of its low freezing point .

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