Which one is correct match for catalyst used in given process

CHEMISTRY · Single correct · GCSE · Chemistry · Using Resources · Using Resources

Problem

Which one is correct match for catalyst used in given process ?

Process	Catalyst
1. Haber's process for $\text{NH}_3$	A. $\text{V}_2\text{O}_5$ or Pt
2. Ostwald's process for $\text{HNO}_3$	B. NO
3. Bosch process for $\text{H}_2$	C. Fe + Mo
4. Chamber process for $\text{H}_2\text{SO}_4$	D. $\text{Fe}_2\text{O}_3 + \text{Cr}_2\text{O}_3$

(1) 1—C, 2—B, 3—A, 4—D (2) 1—C, 2—D, 3—B, 4—A (3) 1—C, 2—A, 3—D, 4—B (4) 1—D, 2—A, 3—D, 4—B