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Coal Tar

Coal tar is a

Question

Coal tar is a

A

Black, thick liquid

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B

Dark, oily liquid

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C

Tough, porous and black substance

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D

Gas

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Solution

The correct option is A Black, thick liquid
Coal tar is a byproduct of coal which smells of naphthalene and aromatic hydrocarbons. It is a black thick liquid of high viscosity.

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Q. Coal tar is a thick _______(black / yellow) liquid with pleasing smell.

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	Column $A$		Column $B$
$1.$	Coke	$a .$	Used as fuel
$2.$	Coal tar	$b .$	Pure form of carbon
$3.$	Coal gas	$c .$	Thick liquid

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Q. Briefly explain: coal tar and coal gas.

Q. Question 18
(a) The slow process of conversion of dead vegetation into coal is called___.
(b) Coal and petroleum are formed from the dead remains of organisms and are known as ___.
(c) The black thick liquid with ___ smell is known as coal tar
(d) During the processing of coal to get coke, coal tar and ___ are also obtained.
(e) The process of separating the various constituents of petroleum is known as ___.
(f) Excessive burning of fossil fuels is a major cause of ___.

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