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Question 21

carbon is often deposited in the exhaust pipe of cars because of the ........

  • A.dehydrogenation of petrol
  • B.incomplete combustion of petrol
  • C.presence of additives
  • D.presence of carbon in the petrol
Objective

Question details

Exam body
UNIBEN
Subject
General Paper
Year
2011/2012
Question no.
#21
Type
Objective
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