Coal tar Guide, Meaning , Facts, Information and Description
Coal tar is the liquid by-product of the distillation of coal to make coke. The gaseous by-product produced by this process is commonly known as town gas.Coal tar is very viscous and strong smelling. It can be made into coal tar soap, and is used in medicated shampoo to kill and repel head lice and as a treatment for dandruff and psoriasis.
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