Science, asked by vinayakpatil29, 10 months ago

Which compound is added to petrol to prevent engines from ' knocking ' causes pollution of air?

Answers

Answered by anandspillai2004

2

Answer:

Ethanol is added to petrol.

When ethanol burns it does not produce smoke or leave back any residue after combustion.

It burns quickly,hence also called as Green Fuel.

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