HPCL, IOCL Chemical Engineering Previous Year Question Papers - 1

Question: 1

Which one of the following is not likely to be a constituent of vegetable oils?

(A) glycerol

(B) stearic acid

(C) oleic acid

(D) citric acid

Question: 2

Which of the following is used as a coagulant in water treatment?

(A) hydrogen peroxide

(B) ferrous sulphate

(C) chlorine

(D) chloramine

Question: 3

Major use of aniline, which is manufactured from nitrobenzene and hydrogen, is in the _____ industry.

(A) cement

(B) dye

(C) fertiliser

(D) polymerisation

Question: 4

Which of the following is a detergent?

(A) alkyl benzene sulphonate

(B) benzene hexachloride

(C) cellulose nitrate

(D) polytetrafluoroethylene

Question: 5

Hydrochloric acid manufacturing reactor is lined with _____ to counteract the corrosion problem.

(A) silica bricks

(B) teflon

(C) glass

(D) lead