UPSC CSE Prelims 2000 Q113 — Science & Technology PYQ with Answer

Match List I (Industrial processes) with List II (Industry with which associated)

and select the correct answer using the codes given below the Lists:

List I

I. Cracking

II. Smelting

III. Hydrogenation

IV. Vulcanization

List II

A) Rubber

B) Petroleum

C) Copper

D) Edible fats

Codes: