Question

The expensive metals used in catalytic converters of automobiles are

• A. Lead and Cadmium
• B. Cadmium and Rhodium
• C. Platinum, Palladium and Rhodium
• D. Copper and Cadmium

Answer 1

The correct option is C Platinum, Palladium and Rhodium

Catalytic converters

Catalytic converters are devices made of expensive metals, such as platinum-palladium and rhodium which work as catalysts.

They are fitted into automobiles for reducing the emission of poisonous gases.

Final answer

(b) Platinum, Palladium and Rhodium