FERTILISER TECHNOLOGY QUIZ

Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium

Bicarbonate

Phosphate

Silicate

Carbonate

TRUE ANSWER : ?
YOUR ANSWER : ?

Fertiliser produced during soda ash manufacture by dual process is ammonium

Sulphate

None of these

Nitrate

Chloride

TRUE ANSWER : ?
YOUR ANSWER : ?

Nitrolime is

A mixture of ammonium nitrate and calcium nitrate

Calcium nitrate

Calcium ammonium nitrate

A mixture of nitric acid and lime

TRUE ANSWER : ?
YOUR ANSWER : ?

During nitric acid manufacture, catalytic oxidation of ammonia at 800°C in presence of platinum catalyst produces nitrogen oxide. Conversion of NH₃ to NO is about __________ percent.

82

68

38

98

TRUE ANSWER : ?
YOUR ANSWER : ?

Catalyst used in Haber's process for ammonia production is

Nickel

Reduced iron oxide

Silica gel

Vanadium pentoxide

TRUE ANSWER : ?
YOUR ANSWER : ?

Optimum reaction temperature in steam reforming of naphtha is __________ °C.

100-200

300 - 450

1500-1700

700 - 1000

TRUE ANSWER : ?
YOUR ANSWER : ?

Prilling tower is found in the flowsheet for the manufacture of

Urea

Superphosphate

Triple superphosphate

Ammonia

TRUE ANSWER : ?
YOUR ANSWER : ?

A nitrogenous fertiliser contains 20% N₂. It could be

Urea

Ammonium nitrate

Ammonium chloride

Calcium ammonium nitrate (CAN)

TRUE ANSWER : ?
YOUR ANSWER : ?

In calcium ammonium nitrate (CAN) fertil-ser

Nitrate nitrogen is slower acting

Ammoniacal nitrogen is quick acting

Nitrate nitrogen is quick acting

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

CO₂ present in reformed gas (obtained by steam reforming of naphtha) is removed by absorbing in

Ammoniacal liquor

Methyl-Ethyl Ketone (MEK)

Mono-ethanolamine (MEA)

Slaked lime

TRUE ANSWER : ?
YOUR ANSWER : ?

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