Match List-I with List-II :
| List-I | List-II | ||
| Industrial process | Application | ||
| (a) | Haber's process | (i) | HNO3 synthesis |
| (b) | Ostwald's process | (ii) | Aluminium extraction |
| (c) | Contact process | (iii) | NH3 synthesis |
| (d) | Hall-Heroult process | (iv) | H2SO4 synthesis |
Held on 16 Mar 2021 · Verified 6 Jul 2026.
(a)−(ii),(b)−(iii),(c)−(iv),(d)−(i)
(a)−(iii),(b)−(iv),(c)−(i),(d)−(ii)
(a)−(iii),(b)−(i),(c)−(iv),(d)−(ii)
(a)−(iv),(b)−(i),(c)−(ii),(d)−(iii)
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