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Posted Under: Zong on Sep 3, 2000


Question 51 of 1002

Why is the exhaust from petrol engines so dangerous?

Justification

Car exhaust contains carbon monoxide (also know as CO) which, in addition to being colourless and odourless, is highly toxic.

Options
It makes the road slippery
It is highly inflammable
It contains a highly toxic gas, without colour and smell
Road users behind you will have poor visibility




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