The Following Section consists of Multiple Choice Questions on Fertiliser Technology.
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Fertiliser Technology MCQ
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Question 1 of 20
1. Question
1 pointsConversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air.
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Question 2 of 20
2. Question
1 pointsCommercial fertilisers are available mostly in the form of
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Question 3 of 20
3. Question
1 pointsPick out the wrong statement.
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Question 4 of 20
4. Question
1 pointsAmmonia synthesis gas is produced from natural gas by
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Question 5 of 20
5. Question
1 pointsRed phosphorous is changed into white phosphorous by
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Question 6 of 20
6. Question
1 pointsTwo gas based fertiliser plants are located in
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Question 7 of 20
7. Question
1 pointsDuring conversion of ammonium carbamate into urea, presence of large excess of water
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Question 8 of 20
8. Question
1 pointsHydrogen content of coke oven gas is __________ percent.
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Question 9 of 20
9. Question
1 pointsPick out the wrong statement.
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Question 10 of 20
10. Question
1 pointsAmmonium nitrate (a fertiliser) is coated with limestone powder to
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Question 11 of 20
11. Question
1 pointsAction of phosphoric acid on rock phosphate produces
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Question 12 of 20
12. Question
1 pointsConditioners like finely divided peat are added to the fertiliser to
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Question 13 of 20
13. Question
1 pointsWhich of the following does not come under the category of ‘secondary nutrient’ for plant growth?
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Question 14 of 20
14. Question
1 pointsSteam reforming of naphtha is a source of hydrogen production for nitrogeneous fertiliser industry. What is the usual ratio of steam to carbon maintained in the process of steam reforming of naphtha ?
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Question 15 of 20
15. Question
1 pointsThe concentration (weight %) of nitric acid produced by the oxidation of ammonia and absorption of nitrogen oxides with water is about __________ percent.
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Question 16 of 20
16. Question
1 pointsUrea is a __________ fertiliser.
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Question 17 of 20
17. Question
1 pointsCalcium ammonium nitrate (CAN) is
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Question 18 of 20
18. Question
1 pointsAmmonium sulphate fertiliser is
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Question 19 of 20
19. Question
1 pointsLower temperature and large excess of ammonia in urea melt
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Question 20 of 20
20. Question
1 pointsSuperphosphate is manufactured by reacting phosphate rock with
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Fertiliser Technology MCQ 2
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Question 1 of 20
1. Question
1 pointsIn calcium ammonium nitrate (CAN) fertil-ser
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Question 2 of 20
2. Question
1 pointsHeating of orthophosphoric acid to 250°C produces
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Question 3 of 20
3. Question
1 pointsVapor phase reaction of ammonia & nitric acid to produce ammonium nitrate is termed as the __________ process.
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Question 4 of 20
4. Question
1 pointsPrilling tower is found in the flowsheet for the manufacture of
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Question 5 of 20
5. Question
1 pointsReaction of orthophosphoric acid with soda ash produces
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Question 6 of 20
6. Question
1 pointsUrea is formed only
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Question 7 of 20
7. Question
1 pointsDehydration of ammonium carbamate (to produce urea) is a/an __________ reaction.
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Question 8 of 20
8. Question
1 pointsElectric process as compared to wet process (for the manufacture of phosphoric acid)
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Question 9 of 20
9. Question
1 pointsAmmonium sulphate can be produced by reacting gypsum with
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Question 10 of 20
10. Question
1 pointsNitrogenous fertiliser is required
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Question 11 of 20
11. Question
1 pointsFertiliser plant making ammonium sulphate employing gypsum-ammonia reaction (usual practice is to use ammonia and sulphuric acid) is located at
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Question 12 of 20
12. Question
1 pointsCatalyst used in Haber’s process for ammonia production is
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Question 13 of 20
13. Question
1 pointsSodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium
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Question 14 of 20
14. Question
1 pointsReaction of anhydrous liquid ammonia with orthophosphoric acid produces
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Question 15 of 20
15. Question
1 pointsElectric furnace method for production of phosphorous uses phosphate rock
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Question 16 of 20
16. Question
1 pointsCommercial production of hydrogen for the manufacture of nitrogeneous fertilisers is done by
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Question 17 of 20
17. Question
1 pointsWhich fertiliser is made (using coke oven gas) in by products plant of an integrated steel plant ?
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Question 18 of 20
18. Question
1 pointsAmmonium phosphate is a __________ fertiliser.
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Question 19 of 20
19. Question
1 pointsMaximum stability of white phosphorous is at
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Question 20 of 20
20. Question
1 pointsPotassic fertilisers do not promote the development of
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Fertiliser Technology MCQ 3
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Question 1 of 20
1. Question
1 pointsThe optimum size of the ammonia plant is __________ tons/day.
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Question 2 of 20
2. Question
1 pointsMain component of bone ash is
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Question 3 of 20
3. Question
1 pointsIn __________ converter for ammonia synthesis, the catalyst is arranged in the form of a single continuous bed.
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Question 4 of 20
4. Question
1 pointsHeating of orthophosphoric acid to about 900°C, produces
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Question 5 of 20
5. Question
1 pointsCatalyst used in steam reforming of naphtha is
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Question 6 of 20
6. Question
1 pointsMonte catini process is used for the manufacture of
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Question 7 of 20
7. Question
1 pointsAmmonium nitrate (is mixed with limestone) is not used as fertiliser as such, because
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Question 8 of 20
8. Question
1 pointsPhosphatic fertilisers
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Question 9 of 20
9. Question
1 pointsMaximum nitrogen percentage is in
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Question 10 of 20
10. Question
1 pointsNitrogen content in ammonium sulphate (a fertiliser) is around __________ percent.
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Question 11 of 20
11. Question
1 pointsI argest capacity nitrogenous fertiliser plants (2700 tons of NH3 per day) (2 Nos) in India are located at
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Question 12 of 20
12. Question
1 pointsNitrogen content of urea is about __________ percent.
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Question 13 of 20
13. Question
1 pointsNitrogen content of calcium ammonium nitrate (CAN) is __________ percent.
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Question 14 of 20
14. Question
1 points__________ is the most suitable fertiliser for paddy.
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Question 15 of 20
15. Question
1 pointsNPK fertiliser is a __________ fertiliser.
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Question 16 of 20
16. Question
1 pointsReaction of calcium fluorapatite with sulphuric acid produces
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Question 17 of 20
17. Question
1 pointsWhich of the following is not a commercially used feed-stock for the production of ammonia synthesis gas?
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Question 18 of 20
18. Question
1 pointsTriple superphosphate is made by reacting phosphate rock with __________ acid.
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Question 19 of 20
19. Question
1 pointsThe fertiliser plant getting hydrogen by electrolysis of water is situated at
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Question 20 of 20
20. Question
1 pointsRock phosphate constitutes mainly of
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Fertiliser Technology MCQ 4
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Question 1 of 20
1. Question
1 pointsDehydration of ammonium carbamate produces
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Question 2 of 20
2. Question
1 pointsAmmonia synthesis reaction is
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Question 3 of 20
3. Question
1 pointsCoal based fertiliser plants at Ramagundam (Andhra Pradesh) and Talchar (Orissa)
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Question 4 of 20
4. Question
1 pointsYield of urea can be increased with excess ammonia and higher pressure & temperature, but because of __________ this is normally not done.
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Question 5 of 20
5. Question
1 pointsWhich of the following gasifiers can be attached to coal based fertiliser plants ?
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Question 6 of 20
6. Question
1 pointsGas based fertiliser plants use
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Question 7 of 20
7. Question
1 pointsWhich of the following fertilisers contains the least percentage of nitrogen?
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Question 8 of 20
8. Question
1 pointsOxidation of ammonia is
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Question 9 of 20
9. Question
1 pointsReaction of orthophosphoric acid with phosphate rock produces
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Question 10 of 20
10. Question
1 pointsTemperature and pressure in ammonia converter is
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Question 11 of 20
11. Question
1 pointspH value of soil is maintained at __________ by the addition of fertiliser for optimum growth and health of the plant.
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Question 12 of 20
12. Question
1 pointsUrea (a nitrogeneous fertiliser) is produced from carbon dioxide and
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Question 13 of 20
13. Question
1 pointsWhich of the following fertilisers is used as a cattle feed?
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Question 14 of 20
14. Question
1 pointsBiuret formation in urea is kept at minimum (< 1 %), because it is
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Question 15 of 20
15. Question
1 pointsCatalyst used in desulphurisation of naphtha is
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Question 16 of 20
16. Question
1 points__________ is not a fertiliser.
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Question 17 of 20
17. Question
1 points__________ is the undesirable by-product produced in the manufacture of urea.
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Question 18 of 20
18. Question
1 pointsFusion zone in the electric furnace used for reduction of phosphate rock to elemental phosphorous is maintained at __________ °C.
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Question 19 of 20
19. Question
1 pointsWhich is the best fertiliser for paddy ?
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Question 20 of 20
20. Question
1 pointsMain constituent of phosphate rock is
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