Question

explain about coal tar​

Answer 1

Answer:

Coal tar is a thick dark liquid which is a by-product of the production of coke and coal gas from coal. It has both medical and industrial uses. Medicinally it is a topical medication applied to skin to treat psoriasis and seborrheic dermatitis (dandruff). It may be used in combination with ultraviolet light therapy.

Answer 2

Answer:

coal tar is made of coal and can be easily user for tarring roads. it will be hot but if it cools, it stands strong and never break

Explanation:

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