Question

Choose the properties of carbon monoxide gas.

• A. Pungent odour
• B. Red-orange colour
• C. Colourless
• D. Poisonous

Answer 1

Answer: (C), (D)

The correct options are
C Colourless
D Poisonous

Carbon monoxide(CO) is a product of incomplete combustion. It is a highly toxic colourless, odourless, and flammable gas. CO combine with hemoglobin and prevent blood from carrying oxygen. This is called as CO blood poisoning. Long term exposure to carbon monoxide can lead to dizziness, vomiting, weakness and may even lead to coma or death.