Question

mercury cannot be used to measure very low temperature .instead alcohol is used .find out why . Since alcohol is colourless ,it is coloured so that it can be seen in the stem

guys give me fast answer it's emergency because my online class is their

and please give me neatly I am in 7th class​

Answer 1

Answer:

Alcohol thermometers are used rather than mercury thermometers in very cold regions because alcohol has a lower freezing point than mercury. ... The alcohol thermometer or spirit thermometer is an alternative to the mercury-in-glass ... Since these are transparent, the liquid is made more visible.

Answer 2

Answer with explanation:

Alcohol thermometers are used rather than mercury thermometers in very cold regions because alcohol has a lower freezing point than mercury.

The alcohol thermometer or spirit thermometer is an alternative to the mercury-in-glass ... Since these are transparent, the liquid is made more visible.