A pollutant causing burning sensation of throat and eyes and vomiting sensation is
Hydrogen sulphide is highly toxic and highly flammable gas. The routes of exposure to it includes inhalation and skin or eye contact. Its inhalation causes burning sensation in the respiratory tract including the throat. Nausea, headache, delirium, skin and eye irritation (keratoconjunctivitis) occur when an individual is exposed to the acute concentration of the hydrogen sulphide. Hence, the correct answer is 'Hydrogen sulphide'.