Question:
Match List-I with List-II :
Choose the correct answer from the options given below:
Correct Option: , 3
Solution:
(a) Haber's process is used for $\mathrm{NH}_{3}$ synthesis.
(b) Ostwald's process is used for $\mathrm{HNO}_{3}$ synthesis.
(c) Contact process is used for $\mathrm{H}_{2} \mathrm{SO}_{4}$ synthesis.
(d) In Hall-Heroult process, electrolytic reduction of impure alumina can be done.
(Aluminium extraction)