Chemical Engineering MCQs

Page No. 710

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


aChloramine


bChlorine


cFerrous sulphate


dHydrogen peroxide


View Answer Ferrous sulphate

Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively ?


aV2O5 & Cr2O3.


bOxides of nitrogen & Cr2O3


cV2O5 on a porous carrier & oxides of nitrogen


dOxides of nitrogen & V2O5 on a porous carrier



Detergent is produced by the sulphonation of dodecyl benzene, which is an ________________ reaction?


aEndothermic


bExothermic


cIrreversible


dBoth B. and C.


View Answer Both B. and C.

Isopropyl benzene produced by alkylation of benzene with propylene is known as _________________?


aNeoprene


bCumene


cGelatin


dMercaptans


View Answer Cumene

Dichloro diphenyl ________________ is the full form of DDT (an insecticide) ?


aTetrachloroethane


bTrichloroethane


cTetrachloromethane


dTrichloromethane


View Answer Trichloroethane

Calcareous & argillaceous materials are used in the manufacture of ___________________?


aLead


bCement


cCarbon disulphide


dNone of these


View Answer Cement

Vinyl chloride (CH2 = CH.Cl) is produced by the thermal pyrolysis of ethylene dichloride at a pressure & temperature of __________________?


a4 kgf/cm2 & 500°C


b10 kgf/cm2 & 1000°C


c40 kg/cm2 & 200°C


d100 kgf/cm2 & 500°C


View Answer 4 kgf/cm2 & 500°C

Fats as compared to oils have ___________________?


aMore unsaturated glycerides of fatty acids


bLess unsaturated glycerides of fatty acids


cMuch higher reactivity to oxygen


dLower melting point



Oils are partially hydrogenated (not fully) to manufacture Vanaspati , because fully saturated solidified oils ?


aCause cholesterol build up and blood clotting


bAre prone to rancid oxidation


cAlways contain some amount of nickel (as their complete removal is very difficult)


dHave affinity to retain harmful sulphur compounds



Catalytic oxidation of naphthalene produces ?


aStyrene


bPhenol


cPhthalic anhydride


dNone of these


View Answer Phthalic anhydride

Goto Page No.

Page 710 of 843

Alphabetical MCQs Categories

Here below You find all kind of categories of MCQs in alphabetical order.


"Comprehensive Collection of MCQs: Alphabetically Organized by Subject"

"Discover an extensive collection of multiple-choice questions (MCQs) neatly categorized by subject from A to Z. This resource is designed for anyone eager to explore various topics in a straightforward and organized manner. Whether you're a student preparing for exams, an educator seeking supplementary materials, or simply curious about different subjects, this compilation offers a convenient way to learn and assess your knowledge. With questions arranged alphabetically, navigation is effortless, allowing you to delve into subjects of interest at your own pace. Engage, learn, and expand your understanding with this accessible and comprehensive repository of MCQs!"


BolPakistan

bolpakistan.com.pk includes Job Mcqs and Pak Mcqs is the Top Largest Mcqs Forum in World, in which you can read Mcqs of All Subjects, PPSC test preparation, FPSC, NTS and PPSC PAST PAPERS, PPSC PAST MCQS. A Collection of Repeated MCQs for JOBs seekers.

Copyright © 2024, Designed & Developed by BolPakistan