Q: Which of the following catalytic systems is used for the reduction of unsaturated hydrocarbon to saturated hydrocarbon?
(a)Copper and H₂
(b)Iron and H₂
(c)Zinc and H₂
(d)Nickel and H₂
Correct Answer: (d)
The correct answer is (b) 'Iron and H₂'. This question from the Geography domain tests knowledge of Economic & Mineral Geography.