Chemical Engineering MCQs

Page No. 747

Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is ______________ percent?


a10


b50


c80


d95


View Answer 50

CO & H2 are the constituents of___________________?


aProducer gas


bWater gas


cCoke oven gas


dAll A., B. and C.


View Answer All A., B. and C.

Nicotine is___________________?


aA volatile alkaloid


bObtained by treating by-products of the tobacco processing industry


cBoth A. and B.


dNeither A. nor B.


View Answer Both A. and B.

Maleic anhydride is produced by catalytic oxidation of____________________?


aToluene


bEthyl alcohol


cNaphthalene


dBenzene


View Answer Benzene

20% oleum means that in 100 kg oleum, there are 20 kg of_____________________?


aSO3 and 80kg of H2SO4


bH2SO4 and 80kg of SO3


cSO3 for each 100 kg of H2SO4


dNone of these


View Answer SO3 and 80kg of H2SO4

Penicillin is made employing _______________ fermentation process?


aContinuous


bAerobic batch


cAnaerobic batch


dNone of these


View Answer Aerobic batch

Fermentation is adversely affected by the____________________?


aPresence of air


bAbsence of air


cHigh concentration


dPresence of ammonium salts


View Answer High concentration

In the Solvay process, the product from the calciner is___________________?


aLight soda ash


bDense soda ash


cSodium bicarbonate


dDehydrated soda ash


View Answer Light soda ash

Naphthols are derivatives of________________?


aMethyl amine


bNaphthalene


cPhenol


dXylene


View Answer Naphthalene

Which one of the following is not an elastomer ?


aPolyisoprene


bNeoprene


cNitrile-butadiene


dNone of these


View Answer None of these

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