Question

How does the hole in the stopper of a hydrometer help to measure the relative density of
a liquid​

Answer 1

Answer:

Relative density can be measured using Pycnometer also called density bottle. It consists of ground glass stopper with a fine hole through it. The function of the hole in a stopper is that, when the bottle is filled and the stopper is inserted, the excess liquid rises through the hole and runs down outside the bottle.

Explanation:

Mark me as B