Name the substance obtained from the coal tar and used to repel moths and insects.


Naphthalene balls are obtained from the coal tar and used to repel moths and insects.

968 Views

Advertisement

Which substance is used for road surfacing these days?


These days bitumen is used for road surfacing in place of coal tar.

473 Views

Advertisement

Why is coke seldom used as a fuel?


Coke seldom used as a household fuel as it is expensive, it is also used in the chemical industry in metal extraction.

611 Views

Name two fractions of petroleum which are used as fuel.


(i) Petrol

(ii) Diesel

234 Views

What are petrochemicals?


The useful substances formed from natural gas and petroleum are called petrochemicals.

194 Views

Advertisement