Fertiliser Technology MCQs

Question 1

Urea is represented as

Accepted Answer

NH2.CO.NH2

Answer

NH3CO.CH3

Answer

NH.CO2.NH

Answer

NH3.CO2.NH3

Question 2

A mixture of phosphate rock __________ is heated in an electric furnace to produce phosphorous.

Accepted Answer

Sand & coke

Answer

Salt & coke

Answer

And coke

Answer

And sand

Question 3

Catalyst used in ammonia synthesis uses __________ as a promoter.

Accepted Answer

K2O

Answer

Pt

Answer

Al2O3

Answer

Ni

Question 4

Commercial fertilisers are available mostly in the form of

Accepted Answer

Grannules

Answer

Powder

Answer

Lumps

Answer

Flakes

Question 5

Bio-fertilisers are cheaper, renewable and pollution free. They improve the __________ of the soil.

Accepted Answer

All of the above

Answer

Nutrient supply

Answer

Texture

Answer

Water holding capacity

Question 6

Hydrogen content of coke oven gas is __________ percent.

Accepted Answer

58

Answer

4

Answer

22

Answer

84

Question 7

Vetrocoke solution is

Accepted Answer

A mixture of K2CO3 and As2O3

Answer

K2SO4

Answer

A mixture of Na2CO3 and As2O3

Answer

Na2SO4

Question 8

In natural gas, the C/H ratio (by weight) varies in the range of

Accepted Answer

3-4

Answer

8-10

Answer

15-17

Answer

20-25

Question 9

Out of the following, N2 content is minimum in

Accepted Answer

Ammonium sulphate

Answer

Urea

Answer

Ammonium nitrate

Answer

Ammonium chloride