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CSS Solved Papers
Physics Chemistry

Engineering :: Petroleum Refining Engineering


  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 line?
[A]. Methyl tertiary butyl ether[B]. Ethylene dibromide
[C]. Ethyl mercaptan[D]. Armyl nitrate

Answer: Option B


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