Science, asked by kanishka6656, 1 year ago

give correct answer of Q21 and Q22 plzzzz

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Answered by abhishek2256

0

hydrometer or i do not know

Answered by vivanaggarwal

0

Q21)

Hydrometer

Float as d=mass/volume

So density =0.5g/cc

Relative density is 0.5

And an object will float if Relative density is less than 1

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