UPSC CSE Prelims 1998 Q103 — Science & Technology PYQ with Answer

Match List I with List II

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

List I

I. Potassium bromide

II. Potassium nitrate

III. Potassium sulphate

IV. Mono-potassium tartrate

List II

A. Fertiliser

B. Photography

C. Bakery

D. Gunpowder

Codes: