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The volume of 50g of a substance is 20cm3 . If the density of water is 1g cm−3 , will the substance float or sink? 

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If the density of an object is more than the density of a liquid, then it sinks in the liquid. On the other hand, if the density of an object is less than the density of a liquid, then it floats on the surface of the liquid. 

Here, density of the substance = ℎ / ℎ = 50 / 20 = 2.5 /3 

The density of the substance is more than the density of water (1 g cm−3 ). Hence, the substance will sink in water.

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