Most hazardous metal pollutant of automobile exhaust is [KCET 1998 – McqOptions

MCQOPTIONS

1.	Most hazardous metal pollutant of automobile exhaust is [KCET 1998, 2000; MP PMT 2002; Pb. PMT 2000]
A.	Mercury
B.	Lead
C.	Cadmium
D.	Copper
Answer» C. Cadmium

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