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Q.

Which one of the following is correct sequence of the given substances in the decreasing order of their densities ?

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a

Steel > gold > mercury

b

Gold > mercury > steel

c

Steel > mercury > gold

d

Gold > steel > mercury

answer is B.

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Detailed Solution

The order of density is gold > mercury > steel, Density of gold is 19.30 g/cm3 , density of mercury is 13.534 g/cm3 , density of steel is 7.80 g/cm3 .

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