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  • The volume of 50 g of a substance is 20 cm^ 3. If the density of water is 1 g cm^-3, will the substance float or sink?

Q. 21.     The volume of 50\; g of a substance is 20\; cm^{3}. If the density of water is 1\; g\; cm^{-3}, will the substance float or sink?

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Mass of the given amount of substance = 50 g

Volume of the given amount of substance = 20 cm3

Density of the given substance is \rho

\\\rho =\frac{50}{20}\\ \rho =2.5\ cm^{3}

As the given substance has a higher density than that of water it will be sinking in water.

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