FERTILISER TECHNOLOGY QUIZ

H₃PO₄ is the chemical formula of __________ phosphoric acid.

Ortho

Pyro

Meta

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Ammonium sulphate can be produced by reacting gypsum with

Ammonium carbonate

Ammonia

None of these

Nitric acid

TRUE ANSWER : ?
YOUR ANSWER : ?

In the manufacture of urea, the intermediate chemical formed is

Ammonium carbonate

None of these

Biuret

Ammonium carbamate

TRUE ANSWER : ?
YOUR ANSWER : ?

Raw materials required for the production of CAN (Calcium ammonium nitrate) is NH₃

HNO₃ & NH₄Cl

CO₂ & KNO₃

CO₂ & H₂SO₄

HNO₃ & limestone

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ catalyst is used in the production of urea from CO₂ and NH₃.

Vanadium pentoxide

Alumina

No

Nickel

TRUE ANSWER : ?
YOUR ANSWER : ?

Plant tranquillisers

Cause early maturation of plants

Accelerate ripening of food and grain

Produce seedless fruit

Hold back stem growth and halt plants at a desired height

TRUE ANSWER : ?
YOUR ANSWER : ?

Reaction of orthophosphoric acid with phosphate rock produces

Metaphosphoric acid

Superphosphate

Monoammonium phosphate

Triple superphosphate

TRUE ANSWER : ?
YOUR ANSWER : ?

Reaction of phosphate rock with 98% H₂SO₄ produces

None of these

White phosphorous

Superphosphate

Orthophosphoric acid

TRUE ANSWER : ?
YOUR ANSWER : ?

Fertiliser plant making ammonium sulphate employing gypsum-ammonia reaction (usual practice is to use ammonia and sulphuric acid) is located at

Sindri (under FCI)

Baroda (under G.S.F.C.)

Rourkela (under SAIL)

Bokaro (under SAIL)

TRUE ANSWER : ?
YOUR ANSWER : ?

Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air.

250-400

1000-1200

800-900

50-80

TRUE ANSWER : ?
YOUR ANSWER : ?

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