CHEMICAL PROCESS QUIZ

Rosin soap is added during paper manufacture to

Impart adhesive properties

Impart resistance to penetration by liquids

Improve opacity

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Use of hydrated lime in water treatment

All of these

Is to adjust the pH value

Before filtration, reduces the bacterial load on filters

After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂

TRUE ANSWER : ?
YOUR ANSWER : ?

A mineral is termed as 'ore', if

The metal present in it is costly

It contains ≥ 40% metal

A metal can be economically extracted from it

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Main constituents of natural rubber is

Polystyrene

Polybutadiene

Polychloroprene

Polyisoprene

TRUE ANSWER : ?
YOUR ANSWER : ?

Main use of hydrazine is

In water treatment

As fire retardant

As a disinfectant

As a rocket fuel

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following fuel gases contains maximum amount of carbon monoxide?

Coke oven gas

L.D. converter gas

Water gas

Blast furnace gas

TRUE ANSWER : ?
YOUR ANSWER : ?

The only commercial Fischer-Tropsch plant for producing liquid hydrocarbon fuel from coal is located at

Trombay (India)

Los-Angles (U.S.A.)

Redcar (U.K.)

SASOL (in South Africa)

TRUE ANSWER : ?
YOUR ANSWER : ?

Enzymes are organic catalysts used in the __________ reactions.

Electrochemical

Photochemical

Biochemical

Chemical

TRUE ANSWER : ?
YOUR ANSWER : ?

Chalcopyrite is the main ore of

Lead

Iron

Tin

Copper

TRUE ANSWER : ?
YOUR ANSWER : ?

In the Lurgi coal gasifier

Large quantity of coal can be processed

Coking coals cannot be used

Entrainment of solids is higher

Low carbon conversion efficiency is achieved

TRUE ANSWER : ?
YOUR ANSWER : ?

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