A metal in which even iron can float is :

(a) sodium
(b) magnesium
(c) mercury
(d) manganese

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Solution

Ans: c Mercury.
This is because the density of mercury is greater than the iron.

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A metal in which even iron can float is : (a) sodium (b) magnesium (c) mercury (d) manganese

Ans: c Mercury. This is because the density of mercury is greater than the iron.

A metal in which even iron can float is :

(a) sodium
(b) magnesium
(c) mercury
(d) manganese

Ans: c Mercury.
This is because the density of mercury is greater than the iron.