FERTILISER TECHNOLOGY QUIZ

Reaction of anhydrous liquid ammonia with orthophosphoric acid produces

Ammonium phosphate

None of these

Triple superphosphate

Superphosphate

TRUE ANSWER : ?
YOUR ANSWER : ?

Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of __________ this is normally not done.

Increased cost of equipment

Increased biuret formation

All of these

High corrosion rate

TRUE ANSWER : ?
YOUR ANSWER : ?

Fertilizer plant getting its hydrogen requirement partly from coke oven gas is situated at

Barauni (under HFC)

Rourkela (under SAIL)

Nangal (under NFL)

Talchar (under FCI)

TRUE ANSWER : ?
YOUR ANSWER : ?

Which is the best fertiliser for paddy?

Superphosphate

Nitro-phosphate

Ammonium sulphate

Potassium nitrate

TRUE ANSWER : ?
YOUR ANSWER : ?

Ammonia synthesis gas is produced from fuel oil by

Partial oxidation

Hydrogenation

Steam reforming

Hydrocracking

TRUE ANSWER : ?
YOUR ANSWER : ?

Catalyst used in Haber's process for ammonia production is

Silica gel

Reduced iron oxide

Nickel

Vanadium pentoxide

TRUE ANSWER : ?
YOUR ANSWER : ?

Main constituent of phosphate rock is

Calcium fluoride

Flour apatite

Calcium phosphate

Ammonium phosphate

TRUE ANSWER : ?
YOUR ANSWER : ?

Phosphatic fertilisers

Lessen the effect of excessive nitrogen application

None of these

Are useful during early stage of the plant growth

Accelerate fruit formation in later stages of growth

TRUE ANSWER : ?
YOUR ANSWER : ?

Low grade coal is __________ to produce ammonia synthesis gas.

Hydrogenated

Gasified

Liquefied

Dehydrogenated

TRUE ANSWER : ?
YOUR ANSWER : ?

Out of the following, N₂ content is minimum in

Urea

Ammonium sulphate

Ammonium nitrate

Ammonium chloride

TRUE ANSWER : ?
YOUR ANSWER : ?

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