Fertiliser Technology MCQs

Question 1

5-10-5 fertilisers mean that they contain

Accepted Answer

5, 10, 5% respectively of N 2 , P 2 O 5 and K 2 O

Answer

Only 5 to 10% active fertiliser constituents

Answer

5 to 10% filler & carrier of soil conditioners

Answer

None of these

Question 2

Raw materials required for the production of CAN (Calcium ammonium nitrate) is NH 3

Accepted Answer

HNO 3 & limestone

Answer

CO 2 & H 2 SO 4

Answer

HNO 3 & NH 4 Cl

Answer

CO 2 & KNO 3

Question 3

HPO 3 is the chemical formula of __________ phosphoric acid.

Accepted Answer

Meta

Answer

Pyro

Answer

Ortho

Answer

None of these

Question 4

A phosphatic fertiliser contains 16% P 2 O 5 . It could be

Accepted Answer

Superphosphate

Answer

Dicalcium phosphate

Answer

Triple superphosphate

Answer

None of these

Question 5

Which of the following is the costliest source of hydrogen needed for ammonia manufacture under Indian condition?

Accepted Answer

Electrolysis of water

Answer

Cryogenic removal of H 2 from coke oven gas

Answer

Steam reforming of naphtha

Answer

Natural gas cracking

Question 6

Promoter used in NH 3 synthesis catalyst is

Accepted Answer

V 2 O 5

Answer

K 2 O

Answer

SiO 3

Answer

U 2 O 3

Question 7

Out of the following, N 2 content is minimum in

Accepted Answer

Ammonium sulphate

Answer

Urea

Answer

Ammonium nitrate

Answer

Ammonium chloride

Question 8

Urea is represented as

Accepted Answer

NH 2 .CO.NH 2

Answer

NH 3 CO.CH 3

Answer

NH.CO 2 .NH

Answer

NH 3 .CO 2 .NH 3

Question 9

A fertiliser contains 82% N 2 . It could be

Accepted Answer

Liquid NH 3

Answer

Urea

Answer

Ammonium nitrate

Answer

None of these