Chemical Process - Chemical Engineering Questions and Answers

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Main constituent of limestone is

CaCO₃

MgCO₃

Na₂CO₃

CaSO₄

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__________ is obtained as a by-product in the manufacture of sodium hydroxide using brine.

Chlorine

Ammonium chloride

Sodium carbonate

Sodium bi-carbonate

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Fat splitting catalyst is

CaCO₃

ZnO

Al₂O₃

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Phthalic anhydride is used

in making PVC

as plasticisers

in insecticides manufacture

for making nylon-6

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Penicillin is separated from fermented broth by

extraction with amyl or butyl acetate.

ternery azeotropic distillation.

evaporation in calendria.

extractive distillation.

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__________ process is used for producing soda ash.

Chamber

Chance

Tromp

Solvay

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Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on

slaked lime

soda lime

calcium perchlorate

none of these

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Which of the following is an unsaturated fatty acid ?

Lauric acid

Palmitic acid

Stearic acid

Oleic acid

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The yield of tar from high temperature carbonisation of dry coal is about __________ percent.

0.3