Fertiliser Technology MCQs

Question 1

Fauser Monte Catini converter is used for

Accepted Answer

Ammonia synthesis (e.g. at FCI Sindri)

Answer

Methanation of CO and CO2

Answer

Shift conversion (i.e. CO to CO2)

Answer

None of these

Question 2

Neutralisation of nitric acid with ammonia to produce ammonium nitrate is a/an __________ reaction.

Accepted Answer

Exothermic

Answer

Catalytic

Answer

Endothermic

Answer

Autocatalytic

Question 3

P2O5 content in triple superphosphate is about __________ percent.

Accepted Answer

42 - 50

Answer

15 - 20

Answer

85 - 90

Answer

70 - 75

Question 4

Yield of elemental phosphorous from rock phosphate is about __________ percent.

Accepted Answer

15-25

Answer

1-2

Answer

40-45

Answer

60-65

Question 5

P2O5 content in superphosphate is about __________ percent.

Accepted Answer

15 - 20

Answer

30 - 35

Answer

65 - 70

Answer

85 - 90

Question 6

Triple superphosphate is chemically represented as

Accepted Answer

CaF2.3Ca3(PO4)2

Answer

3Ca3(PO4)2

Answer

Ca(PO3)2

Answer

Ca(H2PO4)2

Question 7

Tricresyl phosphate is chemically represented as

Accepted Answer

(CH3C6H4)3 PO4

Answer

Ca10(PO4) 3F6

Answer

(NH4)2 HPO4

Answer

NH4H2PO4

Question 8

Reaction of phosphate rock with 98% H2SO4 produces

Accepted Answer

Orthophosphoric acid

Answer

Superphosphate

Answer

White phosphorous

Answer

None of these

Question 9

Reaction of calcium fluorapatite with sulphuric acid produces

Accepted Answer

Simple superphosphate

Answer

Ortho-phosphoric acid

Answer

Triple superphosphate

Answer

Red phosphorous