Which of the following represents the correct matching set?
|
Column I |
Column II |
|
A. Caustic soda |
I. Manufacturing of phosphatic fertilizers |
|
B. Phosphoric acid |
II. Whitewashing |
|
C. Calcium oxide |
III. manufacture of medicine |
|
D. Hydrochloric acid |
IV. Dyeing industry |
|
V. Bleaching powder |
1
A-II, B-IV, C-III, D-V
2
A-III, B-I, C-II, D-IV
3
A-V, B-I, C-IV, D-III
4
A-II, B-III, C-IV, D-I