Fertiliser Technology MCQs

Question 1

Nitrogenous fertiliser is required

Accepted Answer

During the early stage of growth to promote development of stem and leaves

Answer

For accelerating fruit formation in later stage of growth

Answer

To lessen the effect of excessive potash application

Answer

None of these

Question 2

The fertiliser plant getting hydrogen by electrolysis of water is situated at

Accepted Answer

Nangal

Answer

Namrup

Answer

Rourkela

Answer

Korba

Question 3

In calcium ammonium nitrate (CAN) fertil-ser

Accepted Answer

Nitrate nitrogen is quick acting

Answer

Ammoniacal nitrogen is quick acting

Answer

Nitrate nitrogen is slower acting

Answer

None of these

Question 4

Raw materials for nitric acid manufacture are

Accepted Answer

Anhydrous ammonia, air and water

Answer

Hydrogen peroxide, air and water

Answer

Anhydrous ammonia and air

Answer

Wet ammonia, air and water

Question 5

H3PO4 is the chemical formula of __________ phosphoric acid.

Accepted Answer

Ortho

Answer

Pyro

Answer

Meta

Answer

None of these

Question 6

A fertiliser plant is classified as a gas based fertiliser plant, when it uses __________ gas as a source of hydrogen for the manufacture of ammonia.

Accepted Answer

Natural

Answer

Coke oven

Answer

Producer

Answer

Coal

Question 7

Both white phosphorous as well as red phosphorous

Accepted Answer

Burns when heated in air

Answer

Are soluble in CS2

Answer

Reacts with hot caustic soda solution to give phosphine

Answer

All of the above

Question 8

C/H ratio (by weight) of naphtha used in nitrogenous fertiliser making is about

Accepted Answer

6

Answer

2

Answer

13

Answer

20

Question 9

Prilling tower is found in the flowsheet for the manufacture of

Accepted Answer

Urea

Answer

Ammonia

Answer

Superphosphate

Answer

Triple superphosphate