Question

Match the following.

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

• A. $1-b;2-a;3-c$
• B. $1-a;2-c;3-b$
• C. $1-a;2-b;3-c$
• D. $1-b;2-c;3-a$

Answer 1

The correct option is D $1-b;2-c;3-a$

Coal is processed in industries to get useful products such as coke, coal tar, and coal gas.

Coke: It is a tough, porous black substance. It is an almost pure form of carbon. Coke is used in manufacturing steel and in the extraction of many metals.

Coal tar: It is a thick black liquid with an unpleasant smell. It is a mixture of about $200$ substances.

Coal gas: Coal gas is obtained during the processing of coal to get coke. It is used as a fuel in many industries situated near the coal processing plants.