Name an important source from which naphthalene balls are obtained.

Hint:Naphthalene balls are also called mothballs. It is a small white-colored solid with a sharp odor. It is used to repel moths, insects in storing clothes, articles, etc. Naphthalene balls are chemical pesticides.

Complete step by step answer:
Naphthalene balls are also called mothballs and used as a moth repellent.
It is used to kill moths and insects like cockroaches.
It is a toxic gas.
Naphthalene balls are obtained from coal tar. Coal tar has a bad smell and it is a black thick liquid.
Products from coal tar are used as a starting material in the manufacture of many materials used in everyday life. Coal tar is obtained by the distillation of coal.
Naphthalene is an aromatic organic compound obtained from coal tar.
Naphthalene is mainly used to kill fabric pests.
Naphthalene balls are aromatic hydrocarbons.
They are in solid form but when it is exposed to air, the naphthalene balls change into toxic gas.
Naphthalene balls are chemical pesticides used while storing clothes, fabrics, etc. and toxic gas produced from naphthalene balls prevents them from the damage caused by moths. Thus naphthalene balls are also called mothballs.
Naphthalene balls have a penetrating smell and it is poisonous. Even the cockroaches stay away from the smell since it is toxic.
A naphthalene ball in open air may take 3-6 months to get completely dissipated.
So, in the end, we can conclude that naphthalene is mainly made from coal tar.



Note:
Naphthalene balls and camphor balls are used to kill moths. Camphor is used as an alternative to naphthalene mothballs due to the flammability of naphthalene. Camphor is white transparent and crystalline. Naphthalene balls are used as an insecticide.