Question

Give two reasons for the use of mercury as a barometric liquid?​

Answer 1

Explanation:

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Answer 2

Answer:

Two advantages of using mercury as barometric liquid: (i) The density of mercury is greater than that of all the liquids, so only 0.76m height of mercury column is needed to balance the normal atmospheric pressure. (ii) The mercury neither wets nor sticks to the glass tube therefore it gives the correct reading.