Chemical Engineering MCQs

Page No. 742

Commercial production of Vanaspati is done by _______________ of edible vegetable oils ?


aHydrogenation


bOxidation


cHydrolysis


dHydrocracking


View Answer Hydrogenation

Sulphuric acid completely saturated with sulphur trioxide is called_________________?


aConcentrated sulphuric acid


bOleum


cSulphurous acid


dDilute sulphuric acid



Glauber’s salt is chemically ?


aCalcium sulphate


bPotassium sulphate


cPotassium chlorate


dNone of these


View Answer None of these

_______________ is used as a flux in the smelting of copper ore like chalcopyrite ?


aCoke breeze


bLime powder


cSilica/quartz


dDolomite


View Answer Silica/quartz

Poly Vinyl Chloride (P.V.C.) is a ______________ material ?


aThermosetting


bThermoplastic


cFibrous


dChemically active


View Answer Thermoplastic

Catalyst used in the oxidation of benzene to produce Maleic anhydride is ______________________?


aV2O5


bPt


cNi


dCr


View Answer V2O5

Which of the following is not an insecticide ?


aHydrocyanic acid


bNicotine


cSodium fluoride


dHexane


View Answer Hexane

Molecular weight of plastics ranges from ______________________?


a5000 to 10000


b20000 to 250000


c500 to 5000


d106 to 109


View Answer 20000 to 250000

Cation exchanger is regenerated usually with_________________________?


aNaOH


bH2SO4


cHydrazine


dAlum solution


View Answer H2SO4

Major component of flint glass is_____________________?


aLead oxide


bSilica


cAlumina


dSoda


View Answer Lead oxide

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