Answers

Neha Tripathi
Aug 3, 2020

The two metals used in a catalytic convertor are platinum palladium and rhodium (any two).

The catalytic convertors fitted in automobiles reduce the emission of poisonous gases by converting the unburnt hydrocarbons into C02 and water, carbon monoxide to  C02 and Nitric oxide (NO) to nitrogen, while the exhaust is passed through them.