Q. Which one is the most toxic?

A) Carbon
B) CO
C) $CO_{2}$
D) $SO_{2}$
Explanation

(b)
Carbon monoxide is highly poisnous to living being

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.