Multiple choice

If a person inhales _________ gaseous pollutant, he suffers from throat irritation, burning of pharynx and oesophagus.

  1. sulphur dioxide

  2. ammonia

  3. hydrogen sulphide

  4. hydrogen cyanide

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In many industries, ammonia gas (NH3) is used as a reducing agent. It is a corrosive gas with a high potentiality of causing throat irritation, burning of pharynx, oesophagus, etc. It can also cause digestive problems when excess gas is inhaled.