Question

(4) In some countries, a particular fuel is used as an additive to increase the efficiency of petrol.
Such a fuel is called as
(a) Gasoline
(b) Etanoic acid (c) Gasolol
(d) Vinegars​

Answer 1

Fuels that are added topetrol or other fuels, to increase fuel efficiency, are known as Fuel Additives. Common Fuel Additivesare alcohols such as Methanol (MeOH), Ethanol (EtOH), Isopropyl Alcohol etc. They increase the Octane Rating of petrol, by inhibiting corrosion and providing a lubricating effect.