Why is it necessary to remove sulphur from petroleum products ?

Environment Studies (Science) (M.Phil./Ph.D.) 2014 Panjab University Entrance Exam With Answers

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22.

A: To reduce the emission of sulphur dioxide in exhaust fumes

B: To increase efficiency of automobiles engines

C: To use sulphur removed from petroleum for commercial purposes

D: To increase the life span of engine silencers

The answer is: A

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