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dolphi86 [110]
3 years ago
14

What do hydrometers test?

Biology
2 answers:
STatiana [176]3 years ago
7 0

A the right answer, bcz  

hydrometer or areometer  used for measuring the relative density of liquids. it is based on concept of buoyancy of liquids.

rusak2 [61]3 years ago
4 0

Hello.

The answer is: A. the buoyancy of water

hydrometer is an instrument used to measure the specific gravity  of liquids; that is, the ratio of the density of the liquid to the density of water, Used for measuring the relative density of liquids based on the concept of buoyancy.

Have a nice day

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