FERTILISER TECHNOLOGY QUIZ

Multistage operation (as in the case of catalytic oxidation of SO₂) is not carried out for NH₃ synthesis, because of

High cost of the high pressure vessel used for the reactor

Comparatively higher pressure drop

Higher pumping cost

Chances of entrainment and disturbance of catalyst bed

TRUE ANSWER : ?
YOUR ANSWER : ?

Plant tranquillisers

Cause early maturation of plants

Produce seedless fruit

Hold back stem growth and halt plants at a desired height

Accelerate ripening of food and grain

TRUE ANSWER : ?
YOUR ANSWER : ?

In calcium ammonium nitrate (CAN) fertil-ser

Ammoniacal nitrogen is quick acting

Nitrate nitrogen is quick acting

None of these

Nitrate nitrogen is slower acting

TRUE ANSWER : ?
YOUR ANSWER : ?

Dehydration of ammonium carbamate to yield urea is a/an __________ reaction.

Exothermic

Autocatalytic

Catalytic

Endothermic

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

Rourkela (under SAIL)

Bokaro (under SAIL)

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

Sindri (under FCI)

TRUE ANSWER : ?
YOUR ANSWER : ?

Biuret formation in urea is kept at minimum (< 1 %), because it is

Toxic and harmful to some crops

Explosive in nature

Helpful in decomposition of urea

Corrosive in nature

TRUE ANSWER : ?
YOUR ANSWER : ?

Which fertiliser is made (using coke oven gas) in by products plant of an integrated steel plant?

Ammonium sulphate

CAN

Superphosphate

Urea

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ is the most suitable fertiliser for paddy.

Superphosphate

Urea

Potassium nitrate

Ammonium sulphate

TRUE ANSWER : ?
YOUR ANSWER : ?

Ammonia synthesis reaction is

None of these

Autocatalytic

Exothermic

Endothermic

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Temperature and pressure in ammonia converter is

450 atm, 200°C

200 atm, 1000°C

450 atm, 1000°C

450 atm, 550°C

TRUE ANSWER : ?
YOUR ANSWER : ?

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