Q. The only non-metal which is liquid at ordinary temperature is
A) Hg
B) $Br_{2}$
C) $NH_{3}$
D) None of these
Explanation
(b)
${Br}_{2}$is the only non-metal which is liquid at room temperature.
Hg is metal which is liquid at room temperature.
${NH}_{3}$is gas at room temperature.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.