Catalytic converters, which are fitted into automobiles for reducing the emission of poisonous gases possess which of the following metals as catalyst ?

Options

A. Platinum-Palldium
B. Rhodium
C. Lead
D. Both (a) and (b)

Answer

D

Explanation

Catalytic converters have costly metals like platinum-palladium and rhodium as catalysts. Exhaust gases first pass through catalytic converters to reduce the emission of poisonous gases.