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Chemical Engineering MCQs
Chemical Engineering MCQs
6108 MCQs (Page 109 of 611)
Attempt Chemical Engineering Quiz
Esterification reaction produces _________________?
A. Detergent
B. Vanaspati
C. Soap
D. Mercaptans
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Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction ?
A. Oxidation of na+ ions
B. Oxidation of cl- ions
C. Reduction of na+ ions
D. Reduction of cl- ions
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Sulphur addition in soap is done to _____________________?
A. Improve the soap texture
B. Cure pimples & dandruff
C. Fasten lather formation
D. Increase its cleansing action
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Glass is__________________?
A. Mainly cao
B. Subjected to galvanising
C. A super cooled liquid
D. All a , b. and c.
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In sulphate pulp manufacture, the pressure and temperature in the digestor is____________________?
A. 10 atm., 800 °c
B. 10 atm., 170-180°c
C. 1 atm., 170 – 180°c
D. 1 atm., 800°c
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The basic constituent of vegetable oils is ___________________?
A. Triglyceride
B. Fatty acids
C. Fatty alcohol
D. Mono esters
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Fusion of bauxite and ________________ produces high alumina cement?
A. Alum
B. Limestone
C. Coke
D. Quartz
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____________ are used as corrosion inhibitor for iron & steel in aqueous solutions ?
A. Phosphates
B. Chromates
C. Sulphates
D. Bi-carbonates
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Which is the main reducing agent during production of iron from iron ore in a blast furnace ?
A. C
B. Co
C. Co2
D. H2
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Which of the following is not responsible for causing permanent hardness of water ?
A. Ca(hco3)2
B. Cacl2
C. Mgcl2
D. None of these
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