1.

Which of the following is/are the hazardous pollutant(s) present in automobile exhaust gases? (i) \[{{N}_{2}}\],                       (ii) CO (iii) \[C{{H}_{4}}\]                    (iv) Oxides of nitrogen

A.  (ii) and (iii)                   
B.  (i) and (ii)
C.  (ii) and (iv)            
D.         (i) and (iii)
Answer» D.         (i) and (iii)


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