CHEMICAL PROCESS QUIZ

Epoxy resin

Cannot be used for surface coatings

Is a good adhesive

Is an elastomer

Is a polyester

TRUE ANSWER : ?
YOUR ANSWER : ?

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

20 - 30

250 - 300

< - 5

100 - 150

TRUE ANSWER : ?
YOUR ANSWER : ?

Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C.

60-70

150-200

25

250-300

TRUE ANSWER : ?
YOUR ANSWER : ?

In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed :

Furnace → converter → evaporator

Furnace → evaporator → absorber

Furnace → converter → absorber

Converter → furnace → absorber

TRUE ANSWER : ?
YOUR ANSWER : ?

Salt cake is chemically represented by

MgSO₄

CaSO₄.1/2 H₂O

Na₂SO₄

BaSO₄

TRUE ANSWER : ?
YOUR ANSWER : ?

The catalyst used in shift converter is

Vanadium

Alumina

Nickel

Silica gel

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one of the following is not an elastomer?

Neoprene

Polyisoperene

Nitrile-butadiene

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Production of one ton of cement requires about __________ tons of limestone.

0.6

2.2

3.8

1.2

TRUE ANSWER : ?
YOUR ANSWER : ?

Argon is the third largest constituent of air (followed by N₂ & O₂). Its percentage by volume in air is

0.34

1.4

0.14

0.94

TRUE ANSWER : ?
YOUR ANSWER : ?

Average sulphur content in Indian pyrites is about __________ percent.

70

15

35

55

TRUE ANSWER : ?
YOUR ANSWER : ?

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