Question

Why is unleaded petrol preferred over leaded petrol?

Answer 1

Lead is the most harmful substance which causes pollution.

It seriously damages the environment and spread pollution.

While choosing petrol, it is best to choose unleaded petrol.

Petrol which is over led can cause harmful effects on plants and humans.

So it is highly recommended to choose unleaded petrol for transportation.

Answer 2

Explanation:

>Unleaded petrol contains no lead compounds, so it causes no pollution in the environment which keeps the environment free from the pollution. > As due to the absence of any lead compound, it is also not harmful and toxic for human beings. The cost is also low as compared to leaded petrol.