63ʳ B.P.S.C. (Pre) 2017
The heaviest metal among the following is :
aGold
bSilver
cMercury
dPlatinum✓ Correct
eNone of the above/More than one of the above
Explanation
Here, “heaviest” means “density”. Among the given options, platinum (Pt) has the highest density, about 21.45 g/cm³. Silver (Ag) has a density of about 10.5 g/cm³, mercury (Hg) about 13.54 g/cm³, and gold about 19.32 g/cm³.
general-science