Which of the following compounds is used in antiknock compositions to – McqOptions

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1.	Which of the following compounds is used in antiknock compositions to prevent the deposition of oxides of lead on spark plug, combustion chamber and exhaust pipe .
A.	Glycerol
B.	Glycol
C.	1, 2-dibromoethane
D.	Benzene
Answer» D. Benzene

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