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Fertilizer Technology Quiz 1

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Fertilizer Technology Quiz 1

1 / 50

Conditioners like finely divided peat are added to the fertiliser to_________?

2 / 50

Ammonia synthesis reaction is________?

3 / 50

Catalyst used in the manufacture of NH3 by Haber?s process is finely divided_________?

4 / 50

(CH3 C6 H4)3 PO4 is the chemical formula of___________?

5 / 50

Commercial fertilisers are available mostly in the form of___________?

6 / 50

Calcium ammonium nitrate (CAN) is___________?

7 / 50

Ammonium nitrate (a fertiliser) is coated with limestone powder to ______?

8 / 50

Color of nitric acid is light yellow due to the presence of___________?

9 / 50

Catalyst used in steam reforming of naphtha is _____?

10 / 50

A fertiliser contains 82% N2. It could be_______?

11 / 50

-10-5 fertilisers mean that they contain_______?

12 / 50

Catalytic ammonia synthesis reaction as in Haber?s process is__________?

13 / 50

Dehydration of ammonium carbamate (to produce urea) is a/an ______ reaction?

14 / 50

A fertiliser plant is classified as a gas based fertiliser plant, when it uses _______ gas as a source of hydrogen for the manufacture of ammonia?

15 / 50

An increase in the NH3/CO2 ratio in urea manufacture results in___________?

16 / 50

Catalyst used in desulphurisation of naphtha is______?

17 / 50

Ammonium sulphate can be produced by reacting gypsum with______?

18 / 50

Base suspension fertiliser essentially contains_____?

19 / 50

Catalyst used in steam reforming of naphtha is___________?

20 / 50

______ is required more for leafy crops?

21 / 50

Catalyst used in the oxidation of ammonia is _________?

22 / 50

Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450?C in the _____?

23 / 50

Ammonia synthesis gas is produced from fuel oil by __________?

24 / 50

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

25 / 50

Coal based fertiliser plants at Ramagundam (Andhra Pradesh) and Talcher (Orissa) ?

26 / 50

Ammonium phosphate is a ______ fertiliser?

27 / 50

A Potassic fertiliser contains 50% K2O. It could be __________?

28 / 50

______ is the undesirable by-product produced in the manufacture of urea ?

29 / 50

Ammonia synthesis gas is produced from natural gas by_____?

30 / 50

______ is not a fertiliser?

31 / 50

Chemical formula of biuret is__________?

32 / 50

A phosphatic fertiliser contains 16% P2O5. It could be_________?

33 / 50

Catalyst used in ammonia synthesis uses _____ as a promoter?

34 / 50

C/H ratio (by weight) of naphtha used in nitrogenous fertiliser making is about__________?

35 / 50

Ammonium nitrate is_____?

36 / 50

Action of phosphoric acid on rock phosphate produces__________?

37 / 50

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

38 / 50

_______ is the most suitable fertiliser for paddy?

39 / 50

Both white phosphorous as well as red phosphorous__________?

40 / 50

Chemical formula of meta-phosphoric acid is _____?

41 / 50

CaH4(PO4)2 is the chemical formula of _____?

42 / 50

Bio-fertilisers are cheaper, renewable and pollution free. They improve the ______ of the soil?

43 / 50

Catalyst used in Haber?s process for ammonia production is__________?

44 / 50

Commercial production of hydrogen for the manufacture of nitrogenous fertilisers is done by_________?

45 / 50

_____ catalyst is used in the production of urea from CO2 and NH3?

46 / 50

Ammonium nitrate (is mixed with limestone) is not used as fertiliser as such, because________?

47 / 50

Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at _____ ?C in absence of air?

48 / 50

Ammonium sulphate fertiliser is ___________?

49 / 50

A mixture of phosphate rock _______ is heated in an electric furnace to produce phosphorous?

50 / 50

A nitrogenous fertiliser contains 20% N2. It could be__________?

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