Mercury can be obtained in its pure form. What is its advantage?

True atmospheric pressure can be recorded.

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Mercury does not affect the barometric height.

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It is easily seen while taking observation.

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All the above

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Solution

The correct option is A
True atmospheric pressure can be recorded.

Mercury can be easily obtained in its pure state and one can record the true atmospheric pressure as the pressure is directly proportional to the density of the liquid.

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Mercury can be obtained in its pure form. What is its advantage?

The correct option is A True atmospheric pressure can be recorded.Mercury can be easily obtained in its pure state and one can record the true atmospheric pressure as the pressure is directly proportional to the density of the liquid.

The correct option is A
True atmospheric pressure can be recorded.

Mercury can be easily obtained in its pure state and one can record the true atmospheric pressure as the pressure is directly proportional to the density of the liquid.