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प्रश्न
In a barometer, mercury is preferred over water because
पर्याय
mercury is a good conductor of heat
mercury shines and therefore its level can be read easily
mercury has high density and low vapour pressure
mercury is available in pure form
MCQ
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उत्तर
mercury has high density and low vapour pressure
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General Science and Technology Current Affair (Entrance Exam)
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