Chemical Process MCQs

Question 1

Which of the following is not produced on commercial scale from sea water?

Accepted Answer

Sodium sulphate

Answer

Bromine

Answer

Magnesium compounds

Answer

Potassium compounds

Question 2

Reverse osmosis is normally used for the

Accepted Answer

Desalination of brackish water to produce potable (drinking) water

Answer

Separation of isotopes of uranium from gaseous uranium hexaflouride

Answer

Separation of helium from natural gas

Answer

Purification of oxygen

Question 3

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

Accepted Answer

SASOL (in South Africa)

Answer

Redcar (U.K.)

Answer

Los-Angles (U.S.A.)

Answer

Trombay (India)

Question 4

In an integrated steel plant, NH3 present in coke oven gas is normally recovered as

Accepted Answer

(NH4)2SO4

Answer

NH4Cl

Answer

(NH4)2NO3

Answer

Liquid NH3

Question 5

Pick out the wrong statement.

Accepted Answer

Oils and fats are alkaloids

Answer

Pasteurisation of milk involves moderate heating followed by cooling

Answer

Bakeries and breweries make use of yeasts

Answer

Enzyme is a complex nitrogenous compound

Question 6

Fermentation is adversely affected by the

Accepted Answer

High concentration

Answer

Presence of air

Answer

Absence of air

Answer

Presence of ammonium salts

Question 7

Nitrogen is an essential component of

Accepted Answer

Proteins

Answer

Mineral salts

Answer

Carbohydrates

Answer

Fats

Question 8

Starting material for the commercial production of ethyl alcohol in India is

Accepted Answer

Molasses

Answer

Rice

Answer

Fruit of Mahua tree

Answer

Maize

Question 9

Oxidation of SO2 to SO3 is favoured by

Accepted Answer

Low temperature and high pressure

Answer

Low temperature and low pressure

Answer

High temperature and low pressure

Answer

High temperature and high pressure