← Chemistry (0620)
Q1 / 5
Fuels
Foundation
2 marks
Why is carbon monoxide (CO) dangerous?
A
CO binds irreversibly to haemoglobin, preventing O2 transport; colourless and odourless so undetectable
B
CO is acidic and burns lung tissue
C
CO reacts with DNA directly
D
CO only forms ozone, which then damages the body
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