Question

Match the substances in Column A with their applications given in Column B.

	Column - I		Column - II
a	Oxygen	i	For making crackers
b	Copper	ii	For disinfecting water
c	Sulphur	iii	All living beings inhale during breathing
d	Iron	iv	For making electric wires
e	Chlorine	v	For making rails

• A.

  	Column - I		Column - II
  a	Oxygen	iii	All living beings inhale during breathing

• B.

  	Column - I		Column - II
  b	Copper	iv	For making electric wires

• C.

  	Column - I		Column - II
  c	Sulphur	i	For making crackers

• D.

  	Column - I		Column - II
  d	Iron	v	For making rails

• E.

  	Column - I		Column - II
  e	Chlorine	ii	For disinfecting water

Answer 1

The correct option is A

	Column - I		Column - II
a	Oxygen	iii	All living beings inhale during breathing

(a) Oxygen - (iii)​
Oxygen is necessary for breathing and all living beings inhale it during the same.​

​(b) Copper - (iv)​

Copper is a good conductor of electricity so is used for making electric wires.​

​(c) Sulphur- (i)​

Sulphur is used in making crackers for for igniting the process of burning.

(d) Iron - (v)​
Iron is used for making rails as it is a good conductors of heat.​

​(e) Chlorine - (ii)​

Chlorine is one of the most commonly used disinfectants for water disinfection