Q: Which one of the following pairs of elements is liquid at room temperature and at normal pressure?
(a)Gallium and Bromine
(b)Mercury and Bromine
(c)Gallium and Mercury
(d)Gallium and Caesium
Correct Answer: (b)
The correct answer is (b) 'पारा और अमोनिया'. This question from the General Studies domain tests knowledge of Miscellaneous.