CHEMICAL PROCESS QUIZ

Which allotrope of sulphur is insoluble in carbon disulphide?

Monoclinic sulphur

Plastic sulphur

Milk of sulphur

Rhombic sulphur

TRUE ANSWER : ?
YOUR ANSWER : ?

Glauber's salt is chemically

Potassium chlorate

Calcium sulphate

Potassium sulphate

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Percentage of glycerene present in the spent lye obtained during soap manufacture is about

0.5

5

35

20

TRUE ANSWER : ?
YOUR ANSWER : ?

Kopper-Totzek coal gasifier

Operate at very high pressure

Can give ammonia synthesis gas (H₂ + N₂)

Is a moving bed reactor

Cannot use coking coal

TRUE ANSWER : ?
YOUR ANSWER : ?

An oil is converted into fat by its

Hydrolysis

Hydrogenation

Hydrocracking

Hydration

TRUE ANSWER : ?
YOUR ANSWER : ?

Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulphonic acid produces sodium dodecylbenzene sulphate, which is a/an

Analgesic drug

Detergent

Soap

Explosive

TRUE ANSWER : ?
YOUR ANSWER : ?

Nicotine is

Neither A nor B

Obtained by treating by-products of the tobacco processing industry

Both A and B

A volatile alkaloid

TRUE ANSWER : ?
YOUR ANSWER : ?

Ethyl alcohol cannot be produced

None of these

From waste sulphite substrate of paper mills

By esterification and hydroloysis of ethylene

From molasses

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ of rubber decreases after its vulcanisation.

Maximum service temperature

Resistance to the action of organic solvent

Tackiness

Tensile strength

TRUE ANSWER : ?
YOUR ANSWER : ?

Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have

Low co-efficient of thermal expansion

Sharp melting points

Compressive strength much greater than their tensile strengths

High electrical insulation properties

TRUE ANSWER : ?
YOUR ANSWER : ?

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