Chemical Engineering MCQs

Page No. 721

___________________ iron is the purest form of iron?


aCast

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bWrought

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cPig

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dHigh silicon

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View Answer Wrought

BHC (Benzene hexachloride) is made by the chlorination of benzene_____________________?


aWhich is an addition reaction

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bWhich is a substitution reaction

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cIn absolute dark

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dIn presence of sunlight

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Plasticisers are added to paints to______________________?


aMake it corrosion resistant

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bMake glossy surface

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cGive elasticity & prevent cracking of the film

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dIncrease atmospheric oxidation

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Starting raw material for the manufacture of alum is_________________?


aAlumina

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bGypsum

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cBauxite

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dAmmonium bicarbonate

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View Answer Bauxite

In the manufacture of viscose rayon, the raw material used industrially is ____________________?


aEucalyptus wood

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bBamboo

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cBagasse

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dFine teak wood

✓


View Answer Fine teak wood

Rotary kiln is not involved in the production of___________________?


aCement

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bLime from limestone

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cSlaked lime from quick lime

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dNone of these

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______________ is an ore concentrating metallurgical process involving a chemical change?


aElectromagnetic separation

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bFroth floatation

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cRoasting

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dNone of these

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View Answer Roasting

Solvent used for extraction of oil is_____________________?


aHexane

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bMethyl ethyl ketone

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cFurfural

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dNone of these

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View Answer Methyl ethyl ketone

Concentration of NaOH solution produced by mercury electrolytic cell is about _______________ percent?


a10

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b25

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c50

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d98

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View Answer 50

Bordeaux mixture is a/an________________?


aFertiliser

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bInorganic fungicide

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cInsecticide

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dExplosive

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View Answer Inorganic fungicide

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