Chemical Engineering MCQs

Page No. 726

___________________ glass is used for the manufacture of optical glass ?


aPyrex

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bSoda

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cFlint

✓


dCrooke’s

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View Answer Flint

Synthesis gas is a mixture of__________________?


aCO and H2

✓


bN2 and H2

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cH2, CH4 and CO

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dCO2 and H2

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View Answer CO and H2

Which of the following is an yellow pigment ?


aTitanium dioxide

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bFerrous sulphate

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cLead chromates

✓


dZinc sulphides

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View Answer Lead chromates

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


aExplosive

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bRocket fuel

✓


cDetergents additive

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dNone of these

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View Answer Rocket fuel

Fat dispersed in water is exemplified by__________________?


aColloids

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bGel

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cButter

✓


dEmulsion

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View Answer Butter

Zeigler process__________________?


aProduces high density polyethylene

✓


bProduces low density polyethylene

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cUses no catalyst

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dEmploys very high pressure

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99.5% purity oxygen is used in_____________________?


aCutting and welding by oxy-acetylene flame

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bHospitals for medicinal purposes

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cGas masks and artificial breathing apparatus

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dAll A, B, and C.

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View Answer All A, B, and C.

Chalcopyrite is the main ore of_________________?


aCopper

✓


bLead

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cTin

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dIron

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View Answer Copper

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


aHematite

✓


bMagnetite

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cSiderite

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dChalcopyrite

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View Answer Hematite

Lubricating greases are a mixture of__________________?


aMineral oil, soap and additives

✓


bMineral oil and metallic soap

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cMineral oil and fatty oil

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dFatty oil and metallic soap

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