Chemical Engineering MCQs

Page No. 722

Fusel oil is a/an_________________?


aEssential oil


bExtract from medicinal herbs


cMixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses)


dNone of these



Titanium dioxide is a/an ___________________ colour pigment?


aWhite


bBlack


cYellow


dBlue


View Answer White

Type of glass used in optical work is the ___________________ glass?


aSoda-lime


bFibre


cLead


dBorosilicate


View Answer Lead

The most stable allotropic form of phosphorous is the _________________ phosphorous?


aWhite


bBlack


cYellow


dRed


View Answer Black

Commercial production of calcium carbide requires limestone and __________________ as raw materials?


aCoke


bSand


cSoda ash


dFuel oil


View Answer Sand

Esterification reaction___________________?


aProduces soap


bIs reversible


cIs a reaction between an alcohol and an organic acid


dAll A, B. and C.


View Answer All A, B. and C.

The most economical pulp for the production of newsprint would be the _____________________ pulp?


aGround-wood


bSulphate


cSulphate


dSemi-chemical


View Answer Ground-wood

Very fine suspended and colloidal impurities are removed from water by a process called___________________?


aSedimentation


bCoagulation


cDisinfection


dSoftening


View Answer Coagulation

Bleaching action of bleaching powder is due to its _____________ properties ?


aReducing


bOxidising


cDisinfecting


dNone of these


View Answer Oxidising

Alkylbenzene sulfonate (ABS) is a____________________?


aDetergent


bRubber


cPesticide


dPolyester


View Answer Detergent

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