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(c) Does not change
(d) Becomes four times
7. Relatively density is same as
(a) Ratio of mass of a given volume of the substance to the mass of same volume of
water at 4°C.
(b) Ratio between density of substance and density of water.
(c) Specific gravity.
(d) All of these.
8. Which one of the following liquids has the highest density?
(a) Mercury
(b) Alcohol
(c) Kerosene
(d) Water
9. Relative density of a substance depends upon:
a) Mass of the substance.
b) Volume of the substance.
c) Shape of the substance.
d) Material of the substance.
10. A body is just floating on the surface of a liquid. Density of the body is same as that
of the liquid. The body is slightly pushed down. What will the body do?
a) Sink.
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