Multiple choice

Which of the following pollutants can cause throat irritation as well as certain digestive problems?

  1. Hydrogen sulphide

  2. Sulphur dioxide

  3. Ammonia gas

  4. Hydrogen cyanide

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

In many industries, ammonia gas 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.