Carbon monoxide from a car exhaust or a stove in a closed room is dangerous because it

causes acid rain inside the roomCorrect answerYour answerdestroys the ozone layerCorrect answerYour answerhas a strong smell that causes faintingCorrect answerYour answerbinds to haemoglobin and stops the blood carrying oxygenCorrect answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer D

Correct answer: D

Carbon monoxide combines with haemoglobin far more strongly than oxygen does, forming carboxyhaemoglobin.
The blood then carries less oxygen, causing headache, drowsiness and even death.

Worth noting

Carbon monoxide has no colour or smell, which is exactly why it is so dangerous.

Concept: Carbon monoxide poisoning
Typical timeTypical: 35 s
Your timeYours: —

The rule this testsAir, water, soil and noise pollution

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Carbon monoxide from a car exhaust or a stove in a closed room is dangerous because it

Explanation