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Fertilizer Technology Quiz 3

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Fertilizer Technology Quiz 3

1 / 50

Promoter used in NH3 synthesis catalyst is___________?

2 / 50

Reaction of _______ acid with phosphate rock produces superphosphates?

3 / 50

Nitrogenous fertiliser is required___________?

4 / 50

Pick out the wrong statement?

5 / 50

Temperature and pressure in ammonia converter is__________?

6 / 50

NPK means a _______ fertiliser?

7 / 50

Reaction of anhydrous liquid ammonia with ortho-phosphoric acid produces______?

8 / 50

Pick out the wrong statement ?

9 / 50

Superphosphate is manufactured by reacting phosphate rock with_______?

10 / 50

Out of the following, N2 content is minimum in_______?

11 / 50

Oxidation of ammonia is_________?

12 / 50

Reaction of calcium Fluorapatite with sulphuric acid produces _____?

13 / 50

Reaction of Cresylic acid with ______ produces Tricresyl phosphate?

14 / 50

Pick out the wrong statement?

15 / 50

P2O5 content in triple superphosphate is about _______ percent?

16 / 50

Potassic fertilisers___________?

17 / 50

Pick out the wrong statement ?

18 / 50

Steam reforming of naphtha is a source of hydrogen production for nitrogenous fertiliser industry. What is the usual ratio of steam to carbon maintained in the process of steam reforming of naphtha ?

19 / 50

Phosphoric acid is produced in wet process from phosphate rock and______?

20 / 50

Reaction of ortho-phosphoric acid with phosphate rock produces __________?

21 / 50

pH value of soil is maintained at _______ by the addition of fertiliser for optimum growth and health of the plant?

22 / 50

Raw materials for urea production are __________?

23 / 50

Temperature and pressure in urea autoclave is__________?

24 / 50

Pick out the wrong statement?

25 / 50

Steam reforming of naphtha produces ammonia synthesis gas. This is a/an _____ process?

26 / 50

NPK fertiliser is a ________ fertiliser?

27 / 50

Optimum reaction temperature in steam reforming of naphtha is _______ ?C?

28 / 50

Potassic fertiliser is graded based on its _______ content?

29 / 50

Nitrolime is chemically known as______?

30 / 50

Rock phosphate constitutes mainly of_____?

31 / 50

Reaction of ortho-phosphoric acid with soda ash produces_______?

32 / 50

Raw materials for nitric acid manufacture are_____?

33 / 50

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

34 / 50

Prilling of urea should be accomplished (in a sprayer) just above the melting point of urea with minimum of retention time, otherwise it will result in___________?

35 / 50

Pick out the wrong statement?

36 / 50

Phosphatic fertiliser is graded based on its ______ content?

37 / 50

Plant tranquillisers_____?

38 / 50

Reaction of nitric acid and sulphuric acid with phosphate rock produces__________?

39 / 50

Pick out the correct statement?

40 / 50

P2O5 percentage in the phosphoric acid produced by wet process is about__________?

41 / 50

Prilling tower is found in the flowsheet for the manufacture of___________?

42 / 50

Reaction of phosphate rock with 98% H2SO4 produces ________?

43 / 50

Potassic fertilisers do not promote the development of ________?

44 / 50

Phosphorus vapour comprises of _____?

45 / 50

Nitrolime is_____?

46 / 50

Phosphatic fertilisers__________?

47 / 50

Raw materials required for the production of CAN (Calcium ammonium nitrate) is NH3___________?

48 / 50

Red phosphorous is changed into white phosphorous by________?

49 / 50

Reaction of dilute sulphuric acid with phosphate rock produces ______?

50 / 50

P2O5 content in superphosphate is about ______ percent?

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