In a barometer, mercury is preferred over water because - 1042

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Vikash Gupta • 33.56K Points
Instructor I Science

Q. In a barometer, mercury is preferred over water because

(A) Mercury is good conductor of heat
(B) Mercury shines and therefore its level can be read easily
(C) Mercury has high density and low vapour pressure
(D) Mercury is available in pure form

Correct Answer - Option(C)

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