Chemical Engineering MCQs

Page No. 747

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


a10

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b50

✓


c80

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d95

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View Answer 50

CO & H2 are the constituents of___________________?


aProducer gas

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bWater gas

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cCoke oven gas

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dAll A., B. and C.

✓


View Answer All A., B. and C.

Nicotine is___________________?


aA volatile alkaloid

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bObtained by treating by-products of the tobacco processing industry

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cBoth A. and B.

✓


dNeither A. nor B.

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View Answer Both A. and B.

Maleic anhydride is produced by catalytic oxidation of____________________?


aToluene

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bEthyl alcohol

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cNaphthalene

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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

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cSO3 for each 100 kg of H2SO4

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dNone of these

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View Answer SO3 and 80kg of H2SO4

Penicillin is made employing _______________ fermentation process?


aContinuous

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bAerobic batch

✓


cAnaerobic batch

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dNone of these

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View Answer Aerobic batch

Fermentation is adversely affected by the____________________?


aPresence of air

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bAbsence of air

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cHigh concentration

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dPresence of ammonium salts

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View Answer High concentration

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


aLight soda ash

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bDense soda ash

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cSodium bicarbonate

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dDehydrated soda ash

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View Answer Light soda ash

Naphthols are derivatives of________________?


aMethyl amine

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bNaphthalene

✓


cPhenol

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dXylene

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View Answer Naphthalene

Which one of the following is not an elastomer ?


aPolyisoprene

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bNeoprene

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cNitrile-butadiene

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dNone of these

✓


View Answer None of these

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