Online GK Series

This site is dedicated to the aspirants of competitive exams SSC, UPSC, Railways, Postal Assistants, Bank, GATE and NET

Connect with Universities & Study Abroad Experts Instantly Connect Now

Q.

Which one of the following was used as a chemical weapon in the first world war ?

A Water gas
B Carbon monoxide
C Mustard gas
D Hydrogen cyanide
Answer & Explanation
Option: [C]

Your Valuable Comments Please...

Important EBooks for Competitive Exams

VIEW ALL