How has the use of CNG in automobiles reduced the pollution in cities? – McqOptions

MCQOPTIONS

1.	How has the use of CNG in automobiles reduced the pollution in cities?
A.	It produces less amount of sulphur dioxide and chlorine.
B.	It does not leave any residue or smoke after burning in the engine.
C.	It produces large amount of carbon dioxide.
D.	It is used in compressed form.
Answer» C. It produces large amount of carbon dioxide.

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