Chemical Engineering MCQs

Page No. 726

___________________ glass is used for the manufacture of optical glass ?


aPyrex


bSoda


cFlint


dCrooke’s


View Answer Flint

Synthesis gas is a mixture of__________________?


aCO and H2


bN2 and H2


cH2, CH4 and CO


dCO2 and H2


View Answer CO and H2

Which of the following is an yellow pigment ?


aTitanium dioxide


bFerrous sulphate


cLead chromates


dZinc sulphides


View Answer Lead chromates

Hydrazine (N2H4) is used mainly as a/an__________________?


aExplosive


bRocket fuel


cDetergents additive


dNone of these


View Answer Rocket fuel

Fat dispersed in water is exemplified by__________________?


aColloids


bGel


cButter


dEmulsion


View Answer Butter

Zeigler process__________________?


aProduces high density polyethylene


bProduces low density polyethylene


cUses no catalyst


dEmploys very high pressure



99.5% purity oxygen is used in_____________________?


aCutting and welding by oxy-acetylene flame


bHospitals for medicinal purposes


cGas masks and artificial breathing apparatus


dAll A, B, and C.


View Answer All A, B, and C.

Chalcopyrite is the main ore of_________________?


aCopper


bLead


cTin


dIron


View Answer Copper

Pig iron is produced by blast furnaces in India using mostly the iron ore named _______________?


aHematite


bMagnetite


cSiderite


dChalcopyrite


View Answer Hematite

Lubricating greases are a mixture of__________________?


aMineral oil, soap and additives


bMineral oil and metallic soap


cMineral oil and fatty oil


dFatty oil and metallic soap



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