Which of the following pairs are correctly matched? (Process) — (Catalyst…
PYQ UPPSC LT Grade (Assistant Teacher) 2025
Which of the following pairs are correctly matched? (Process) — (Catalyst used). I. Haber’s process for the manaufacture of NH₃ — Finely divided Fe, Mo. II. Decon’s process for the manufacture of chlorine — Cu₂Cl₂. III. Contact process for the manufacture of H₂SO₄ — ZnO + Al₂O₃. IV. Ostwald process for the manufacture of HNO₃ — Pt-Gauze. Options :
- A.
II, III and IV
- B.
I, II and IV
- C.
I, III and IV
- D.
I, II and III
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