Which of the following are the features of alcohol thermometers?

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They can measure much lower temperatures than mercury (up to -115 degrees centigrade)

They cannot measure higher temperatures than 78 degrees centigrade

Both 1 and 2

None of these

answer is C.

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Detailed Solution

The features of alcohol thermometers are they can measure much lower temperatures than mercury (up to -115 degrees centigrade) they cannot measure higher temperatures than 78 degrees centigrade.
The alcohol thermometer is an alternative to the mercury thermometer and has similar functions. Unlike mercury, alcohol is less toxic and will evaporate quickly if exposed to high temperatures. Alcohol thermometers can measure much lower temperatures(Up to -115 degrees centigrade). They cannot measure higher temperatures than 78 degrees centigrade.

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