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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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Chemical Engineering MCQs designed for job test and interview preparation, particularly for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover important topics such as the fundamentals of chemical engineering, chemical processes, chemical reactions, process control, and instrumentation, along with other key concepts in the field.

All Topics  9594

Detergent is produced by the sulphonation of dodecyl benzene, which is an ________________ reaction?
A Endothermic
B Exothermic
C Irreversible
D Both B. and C.
Correct Answer: Both B. and C.
Isopropyl benzene produced by alkylation of benzene with propylene is known as _________________?
A Neoprene
B Cumene
C Gelatin
D Mercaptans
Correct Answer: Cumene
Dichloro diphenyl ________________ is the full form of DDT (an insecticide) ?
A Tetrachloroethane
B Trichloroethane
C Tetrachloromethane
D Trichloromethane
Correct Answer: Trichloroethane
Calcareous & argillaceous materials are used in the manufacture of ___________________?
A Lead
B Cement
C Carbon disulphide
D None of these
Correct Answer: Cement
Vinyl chloride (CH2 = CH.Cl) is produced by the thermal pyrolysis of ethylene dichloride at a pressure & temperature of __________________?
A 4 kgf/cm2 & 500°C
B 10 kgf/cm2 & 1000°C
C 40 kg/cm2 & 200°C
D 100 kgf/cm2 & 500°C
Correct Answer: 4 kgf/cm2 & 500°C
Fats as compared to oils have ___________________?
A More unsaturated glycerides of fatty acids
B Less unsaturated glycerides of fatty acids
C Much higher reactivity to oxygen
D Lower melting point
Correct Answer: Less unsaturated glycerides of fatty acids
Oils are partially hydrogenated (not fully) to manufacture Vanaspati , because fully saturated solidified oils ?
A Cause cholesterol build up and blood clotting
B Are prone to rancid oxidation
C Always contain some amount of nickel (as their complete removal is very difficult)
D Have affinity to retain harmful sulphur compounds
Correct Answer: Cause cholesterol build up and blood clotting
Catalytic oxidation of naphthalene produces ?
A Styrene
B Phenol
C Phthalic anhydride
D None of these
Correct Answer: Phthalic anhydride
Pick out the wrong statement?
A Conversion of SO2 to SO3 in Monsanto-4 pass converter is about 98%
B The chemical formula of oleum is H2S2O7, which is formed by saturating sulphuric acid with
C Vitriol oil is nothing but technical sulphuric acid
D Decomposition of sulphuric acid on heating does not start before its boiling
Correct Answer: Decomposition of sulphuric acid on heating does not start before its boiling
Pick out the wrong statement ?
A Pasteurisation of milk involves moderate heating followed by cooling
B Bakeries and breweries make use of yeasts
C Enzyme is a complex nitrogenous compound
D Oils and fats are alkaloids
Correct Answer: Oils and fats are alkaloids
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