1.

Question : The expensive metals used in catalytic converters in automobiles area)Cadmium and Rhodiumb)Platinum, Palladium, Rhodiumc)Lead and cadmiumd)Copper and cadmium

Answer»

CADMIUM and RHODIUM
PLATINUM, PALLADIUM, Rhodium
Lead and cadmium
Copper and cadmium

Answer :B


Discussion

No Comment Found