Q. Choose the option which is related to the third word in the same way as the second word is related to the first word.
Hydrogen : Lightest Element :: Osmium : ?
A. Most Reactive Metal
B. Heaviest Naturally Occurring Element
C. Densest Element
D. Lightest Metal
Correct: Option (C)
Explanation: Hydrogen is the lightest element. Similarly, Osmium is the densest naturally occurring element.