Match List - I with List - II :

	List - I Industrial process		List - II Application
(a)	Haber's process	(i)	$HN{O_3}$ synthesis
(b)	Ostwald's process	(ii)	Aluminium extraction
(c)	Contact process	(iii)	$N{H_3}$ synthesis
(d)	Hal-Heroult process	(iv)	${H_2}S{O_4}$ synthesis

Choose the correct answer from the options given below :

1. A (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
2. B (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii) Correct answer
3. C (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
4. D (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)