Chemical Engineering MCQs

Page No. 721

___________________ iron is the purest form of iron?


aCast


bWrought


cPig


dHigh silicon


View Answer Wrought

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


aWhich is an addition reaction


bWhich is a substitution reaction


cIn absolute dark


dIn presence of sunlight



Plasticisers are added to paints to______________________?


aMake it corrosion resistant


bMake glossy surface


cGive elasticity & prevent cracking of the film


dIncrease atmospheric oxidation



Starting raw material for the manufacture of alum is_________________?


aAlumina


bGypsum


cBauxite


dAmmonium bicarbonate


View Answer Bauxite

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


aEucalyptus wood


bBamboo


cBagasse


dFine teak wood


View Answer Fine teak wood

Rotary kiln is not involved in the production of___________________?


aCement


bLime from limestone


cSlaked lime from quick lime


dNone of these



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


aElectromagnetic separation


bFroth floatation


cRoasting


dNone of these


View Answer Roasting

Solvent used for extraction of oil is_____________________?


aHexane


bMethyl ethyl ketone


cFurfural


dNone of these


View Answer Methyl ethyl ketone

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


a10


b25


c50


d98


View Answer 50

Bordeaux mixture is a/an________________?


aFertiliser


bInorganic fungicide


cInsecticide


dExplosive


View Answer Inorganic fungicide

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