Chemical Engineering Mcqs

Nylon-66 is manufactured from____________________?

(A) Hexamethylene diamine and adipic acid
(B) Hexamethylene diamine and Maleic anhydride
(C) Caprolactam
(D) Dimethyl terephthalate and ethylene glycol

Submitted By :Ali Uppal

Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine ?

(A) Na2CO3
(B) NaHCO3
(C) H2
(D) None of these

Submitted By :Ali Uppal

Fermentation of molasses to produce ethyl alcohol is done at ________________ °C?

(A) 20 – 30
(B) < – 5
(C) 100 – 150
(D) 250 – 300

Submitted By :Ali Uppal

Which of the following has sodium bicarbonate as its main constituent ?

(A) Baking soda
(B) Baking powder
(C) Washing soda
(D) None of these

Submitted By :Ali Uppal

Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as ____________________ oil?

(A) Drying
(B) Semi-drying
(C) Non-drying
(D) None of these

Submitted By :Ali Uppal

Which of the following is used as a coagulant in water treatment ?

(A) Chloramine
(B) Chlorine
(C) Ferrous sulphate
(D) Hydrogen peroxide

Submitted By :Ali Uppal

Removal of dirt/soil by soaps or detergent does not involve the _______________ of soil ?

(A) Emulsification
(B) Dispersion
(C) Precipitation
(D) Wetting

Submitted By :Ali Uppal

The basic difference between vegetable oils and fats is in their ___________________?

(A) Density
(B) Chemical properties
(C) Physical state
(D) Composition

Submitted By :Ali Uppal

Polyvinyl chloride (PVC) is____________________?

(A) A thermosetting material
(B) A condensation polymerisation product
(C) Made by employing emulsion polymerisation
(D) None of these

Submitted By :Ali Uppal

‘Synthesis gas’ meant for the synthesis of organic compound is a variable mixture of ____________________?

(A) N2 & H2
(B) CO2 & H2
(C) CO & H2
(D) C & H2

Submitted By :Ali Uppal

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