FERTILISER TECHNOLOGY QUIZ

Potassic fertilisers

None of these

Help in development of starches of potatoes and grain

Are useful during early stage of the plant growth

Stimulate early growth and accelerate seeding

TRUE ANSWER : ?
YOUR ANSWER : ?

In __________ converter for ammonia synthesis, the catalyst is arranged in the form of a single continuous bed.

Fauser-Monte Catini

Claude

Kellog

Udhe

TRUE ANSWER : ?
YOUR ANSWER : ?

Reaction of anhydrous liquid ammonia with orthophosphoric acid produces

None of these

Ammonium phosphate

Superphosphate

Triple superphosphate

TRUE ANSWER : ?
YOUR ANSWER : ?

The concentration (weight %) of nitric acid produced by the oxidation of ammonia and absorption of nitrogen oxides with water is about __________ percent.

30

100

95

60

TRUE ANSWER : ?
YOUR ANSWER : ?

Reaction of phosphate rock with 98% H₂SO₄ produces

White phosphorous

Superphosphate

None of these

Orthophosphoric acid

TRUE ANSWER : ?
YOUR ANSWER : ?

Raw materials for urea production are

HNO₃ and CaCO₃

CO₂ and N₂

NH₃ and CO

CO₂, H₂ and N₂

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Electrolysis of water

Steam reforming of naphtha

Cryogenic removal of H₂ from coke oven gas

Natural gas cracking

TRUE ANSWER : ?
YOUR ANSWER : ?

Ammonia synthesis gas is produced from natural gas by

Steam reforming

Thermal cracking

Partial oxidation

Hydrogenation

TRUE ANSWER : ?
YOUR ANSWER : ?

Electric process as compared to wet process (for the manufacture of phosphoric acid)

Produces a valuable by-product called gypsum

Is weak acid process

Can use only high grade phosphate rock

Is used less frequently

TRUE ANSWER : ?
YOUR ANSWER : ?

Chemical formula of metaphosphoric acid is

HPO₃

H₄P₂O₇

Same as that of pyrophosphoric acid

H₃PO₄

TRUE ANSWER : ?
YOUR ANSWER : ?

↑