chemical engineering chemical process MCQs – Page 17

Practise multiple-choice questions from chemical engineering chemical process for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

chemical engineering chemical process Mcqs
321. Sand and ______________ is fused at 1300C, to produce sodium silicate ?
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A. Coke

B. Soda ash

C. Limestone

D. Sodium sulphate

322. Stereospecific agents are exemplified by________________?
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A. Ziegler catalysts

B. Supported metal oxide catalysts

C. Radiation

D. All A , B. & C
323. Graphite is a/an________________________?
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A. Electrical insulator

B. Allotrope of carbon

C. Moderator used in nuclear reactor

D. Both B. and C.
324. Polymerisation product of C2F4 (carbon tetrafluoride) is called P.T.F.E (poly chloro tetra fluoro ethylene). It is also called___________________?
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A. Polyurethane

B. Silicone

C. Epoxy resin

D. Teflon
325. Polymethyl methacrylate (PMMA) is known as ____________________?
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A. Bakelite

B. Nylon-6

C. Teflon

D. Perspex
326. Hydrophilic group of a soap or detergent solution is____________________?
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A. Soil loving

B. Water loving

C. Water hating

D. None of these

327. 99.5% purity oxygen is used in_____________________?
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A. All A, B, and C.

B. Hospitals for medicinal purposes

C. Gas masks and artificial breathing apparatus

D. Cutting and welding by oxy-acetylene flame

328. Which is the main reducing agent during production of iron from iron ore in a blast furnace ?
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A. C

B. H2

C. CO

D. CO2

329. In Kraft process of paper manufacture, white cooking liquor consists of caustic soda________________?
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A. Sodium sulphite & sodium sulphide

B. None of these

C. Sodium sulphide & sodium carbonate

D. Sodium sulphite & sodium carbonate

330. ___________________ iron is the purest form of iron?
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A. Wrought

B. Pig

C. High silicon

D. Cast

331. Phosphoric acid is prepared from_____________________?
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A. None of these

B. Cryolite

C. Rock phosphate

D. Chalcopyrite

332. Rosin soap is added during paper manufacture to____________________?
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A. Improve opacity

B. None of these

C. Impart adhesive properties

D. Impart resistance to penetration by liquids
333. Zeolite is used in the ____________________ ?
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A. Glass manufacture

B. Water treatment

C. Hydrogenation of fatty oil as a catalyst

D. Development of exposed photographic plate

334. Calcination of gypsum produces__________________?
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A. Nitre cake

B. Plaster of Paris

C. Lime

D. Salt cake

335. Function of sodium thiosulphate (hypo) in development of photographic film/plate is to______________?
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A. Brighten the faint images

B. Convert silver chloride to silver

C. Remove metallic silver

D. Remove unexposed silver halide
336. Massecuite is ___________________?
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A. None of these

B. Highly acidic in nature

C. Used for paper making

D. Used as a cattle feed

337. Thermal pyrolysis of ethylene dichloride produces___________________?
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A. Trichloroethylene

B. Ethanol amine

C. Vinyl chloride

D. Ethylene oxide

338. Catalytic oxidation of naphthalene produces_______________?
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A. Phthalic anhydride

B. Styrene

C. None of these

D. Phenol

339. Pick out the wrong statement?
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A. Dry process is used for the manufacture of cement, when the raw material is blast furnace slag

B. Portland cement is made employing wet process

C. None of these

D. Gypsum is added to Portland cement to lengthen its setting time

340. Sodium salt of higher molecular weight fatty acid is termed as the ______________________ soap?
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A. Metallic

B. Lubricating

C. Soft

D. Hard