Q. What device is fitted to automobiles for reducing the emission of poisonous gases like $NO_{2}$ and $CO$?
A) Catalytic converters
B) Electrostatic precipitator
C) Scrubber
D) Bag filter
Explanation
Catalytic converters are fitted into automobiles for reducing emission of poisonous gases like $NO_{2}$ and CO. They have expensive metals like platinum-palladium and rhodium as catalysts
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.