1.

A sample of metal weighs 210 gm in air, 180 gm in water and 120 gm in liquid. Then relative density (RD) of

A.            Metal is 3                               
B.            Metal is 7                               
C.            Liquid is 3                               
D.            Liquid is \[\frac{1}{3}\]
Answer» D.            Liquid is \[\frac{1}{3}\]


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