Chemical Engineering MCQs

Page No. 722

Fusel oil is a/an_________________?


aEssential oil

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bExtract from medicinal herbs

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

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dNone of these

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Titanium dioxide is a/an ___________________ colour pigment?


aWhite

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bBlack

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cYellow

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dBlue

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View Answer White

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


aSoda-lime

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bFibre

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cLead

✓


dBorosilicate

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View Answer Lead

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


aWhite

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bBlack

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cYellow

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dRed

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View Answer Black

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


aCoke

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bSand

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cSoda ash

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dFuel oil

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View Answer Sand

Esterification reaction___________________?


aProduces soap

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bIs reversible

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cIs a reaction between an alcohol and an organic acid

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dAll A, B. and C.

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View Answer All A, B. and C.

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


aGround-wood

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bSulphate

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cSulphate

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dSemi-chemical

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View Answer Ground-wood

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


aSedimentation

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bCoagulation

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cDisinfection

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dSoftening

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View Answer Coagulation

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


aReducing

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bOxidising

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cDisinfecting

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dNone of these

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View Answer Oxidising

Alkylbenzene sulfonate (ABS) is a____________________?


aDetergent

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bRubber

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cPesticide

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dPolyester

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View Answer Detergent

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