Question

The substance added to petrol to make it leaded petrol is

Answer 1

gasoline is used to increase efficiency of petrol

Answer 2

Answer:

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Explanation:

The chemical added to leaded petrol to prevent the deposition of lead in the combustion chamber is. As leaded gasoline burns, lead metal gets deposited in the engine which is removed by adding ethylene dibromide. The lead bromide is volatile and is carried off with the exhaust gases from the engine.