Question

is the meaning of petrol and diesel don't go in Google aur dictionary​

Answer 1

Diesel fuel in general is any liquid fuel used in diesel engines, whose fuel ignition takes place, without any spark, as a result of compression of the inlet air mixture and then injection of fuel.

Petrol the liquid that is used as fuel for vehicles such as cars and motorbikes

Answer 2

(i) Composition:

Petrol: It is made up of Alkanes and Cycloalkanes.

Diesel: It is made up of Alkenes.

(ii) Chain length:

Petrol: It has a chain length varying between 5-12 C atoms

Diesel: It has a chain length containing 12 or more than 12 C atoms.

(iii) Boiling points:

Petrol: It has a boiling point in the range of 40-205°C.

Diesel: It has a higher boiling point in the range of 250-350°C.