a
presence of carbon in petrol
b
dehydrogenation of petrol
c
incomplete combustion of petrol
d
presence of additives in petrol
e
contamination of petrol with diesel
Explanation
Correct Option
cVideo Explanation
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Discussions (6)

chisommorah777
5 years ago
what is this?! the correct answer is C joor
myschool do something about this!

Xtendo
3 years ago
The petrol addictive 12 dibromoethane causes the deposition of carbon in the exhaust
However incomplete combustion cause carbon to be deposited in the ENGINE
so the answer is D





