Question

the lower end of the hydrometer is filled with mercury or lead? give reason.​

Answer 1

Answer:

The lower end of hydrometer is filled with Mercury Because it is cheap, moldable and when mixed with silver and some other metals it becomes harmful...

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Explanation:

Answer 2

Answer:

This is done so as to lower the center of gravity of the hydrometer so that it remains in a stable equilibrium and floats in an upright position. the lower bulb of a hydrometer is filled with lead shots or mercury to make the hydrometer float vertically in liquids.

Explanation: