chemical engineering chemical process MCQs – Page 19

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 Review each marked answer and report any item that may be outdated or unclear.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
361. RDX (an explosive), which is more sensitive but less toxic than TNT, is chemically____________________?
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A. Cyclo tetramethylene tetranitramine

B. Trinitrobenzene

C. Cyclo trimethylene trinitramine

D. Trinitro resorcinol

362. Caprolactam (a raw material for nylon-6 manufacture) is produced from ___________________?
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A. Phenol

B. Pyridine

C. Naphthalene

D. Benzene
363. Catalyst used in the hydrogenation of oil is_________________?
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A. Nickel

B. Iron

C. Alumina

D. Platinum

364. Cumene is the starting material for the production of________________?
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A. Styrene

B. Benzoic acid

C. Isoprene

D. Phenol and acetone
365. Pick out the exothermic reaction out of the following ?
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A. CaC2 + H2O = Ca(OH)2 + C2H2

B. C + H2O = CO + H2

C. MgCO3 = MgO + CO2

D. All (A), B. and (C)

366. Catalytic oxidation of naphthalene produces ?
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A. None of these

B. Phthalic anhydride

C. Phenol

D. Styrene

367. Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about _____________ percent?
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A. > 30

B. < 10

C. 75

D. 50

368. Liquor poisoning generally occurs due to the presence of _________________ in it ?
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A. Impurities

B. Methyl alcohol

C. Ethyl alcohol

D. Carbonic acid

369. Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as ____________________ oil?
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A. None of these

B. Semi-drying

C. Non-drying

D. Drying

370. Chemical name of alum is__________________?
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A. Calcium sulphate

B. Aluminium sulphate

C. Barium sulphate

D. Aluminium chloride

371. Phthalic anhydride is produced by the oxidation of _________________?
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A. Aniline

B. Naphthalene

C. Toluene

D. Benzene
372. Riboflavin is a/an____________________?
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A. Anaesthetics

B. Vitamin

C. Analgesic drug

D. Anti-malarial drug

373. Pick out the wrong statement. Iodine value of an oil or fat is________________?
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A. Independent of the type of oil, whether it is drying or non-drying

B. Helpful in findings its adulteration & its suitability for making soap

C. The number of grams of iodine taken up by 100 gm of oil or fat

D. A measure of its unsaturation

374. Calgon used in water treatment is chemically ____________________?
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A. Tricresyl phosphate

B. Calcium phosphate

C. Sodium hexametaphosphate

D. Sodium phosphate

375. Nylon-66 is manufactured from____________________?
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A. Dimethyl terephthalate and ethylene glycol

B. Hexamethylene diamine and adipic acid

C. Hexamethylene diamine and Maleic anhydride

D. Caprolactam

376. Silicone is a/an ___________________?
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A. None of these

B. Thermoplastic

C. Inorganic polymer

D. Monomer

377. Removal of dirt/soil by soaps or detergent does not involve the _______________ of soil ?
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A. Dispersion

B. Emulsification

C. Precipitation

D. Wetting

378. Which oil is preferred for paint manufacture ?
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A. Semi-drying oil

B. Non-drying oil

C. Drying oil
379. Alum is commercially produced from___________________?
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A. Galena

B. Feldspar

C. Gypsum

D. Bauxite
380. Wood charcoal is used for decolouration of sugar, because it _______________ the coloured materials?
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A. Converts

B. Adsorbs

C. Oxidises

D. Reduces