Question

The very toxic gas which causes a headache, visual difficulty, paralysis, and even death in the human beings is:
A) $C{O}_2$
B) $O_3$
C) $CO$

• A. A & B
• B. A
• C. C
• D. B

Answer 1

The correct option is C C

CO is poisonous; Carbon monoxide (CO) poisoning occurs when carbon monoxide gas is inhaled, When the gas is inhaled and comes in contact with theblood, it combines more readily with hemoglobin than oxygen does and forms carboxy haemoglobin.
Due to this reason it causes headache, visual difficulty, paralysis and even death in the human beings.