*/*_Chemical formula of metaphosphoric acid is?

Same as that of pyrophosphoric acid

H‚Äö√á√âPO‚Äö√á√ë

H‚Äö√á√ëP‚Äö√á√áO‚Äö√á√°

Same as that of pyrophosphoric acid

*/*_The composition of fresh feed to the high temperature, high pressure urea autoclave is?

Liquid ammonia and excess compressed CO‚Äö√á√á

Excess liquid ammonia and liquefied CO‚Äö√á√á

Excess liquid ammonia and compressed CO‚Äö√á√á gas

Liquid ammonia and excess compressed CO‚Äö√á√á

Compressed ammonia gas and excess compressed CO‚Äö√á√á

*/*_Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450¬¨‚àûC in the?

Presence of an oxidising atmosphere

Presence of an inert atmosphere

Presence of a reducing atmosphere

Presence of an oxidising atmosphere

*/*_Which of the following set of conditions is favourable for the maximum yield of ammonia by Haber's process??

Low pressure, high reactants concentration, low temperature

High pressure, low reactants concentration, high temperature

High pressure, low reactants concentration, low temperature

High pressure, high reactants concentration, low temperature

Low pressure, high reactants concentration, low temperature

*/*_Raw materials for urea production are?

CO‚Äö√á√á and N‚Äö√á√á

CO‚Äö√á√á, H‚Äö√á√á and N‚Äö√á√á

HNO‚Äö√á√â and CaCO‚Äö√á√â

*/*_Electric process as compared to wet process (for the manufacture of phosphoric acid)?

Produces a valuable by-product called gypsum

Can use only high grade phosphate rock

Produces a valuable by-product called gypsum

*/*_Which is a catalyst promoter used in catalytic ammonia synthesis reaction??

Al‚Äö√á√áO‚Äö√á√â

Cr‚Äö√á√áO‚Äö√á√â

%_Plant tranquillisers_%

Cause early maturation of plants

Hold back stem growth and halt plants at a desired height

Cause early maturation of plants

Accelerate ripening of food and grain

%_Electric process as compared to wet process (for the manufacture of phosphoric acid)_%

Produces a valuable by-product called gypsum

Can use only high grade phosphate rock

Produces a valuable by-product called gypsum

%_Which is a catalyst promoter used in catalytic ammonia synthesis reaction?_%

Al‚Äö√á√áO‚Äö√á√â

Cr‚Äö√á√áO‚Äö√á√â

%_Urea is represented as_%

NH‚Äö√á√âCO.CH‚Äö√á√â

NH‚Äö√á√á.CO.NH‚Äö√á√á

NH‚Äö√á√âCO.CH‚Äö√á√â

NH‚Äö√á√â.CO‚Äö√á√á.NH‚Äö√á√â

_ Nitric acid is produced on commercial scale in a fertiliser plant by$?

CaNO‚Äö√á√â + H‚Äö√á√áSO‚Äö√á√ë reaction

Passing air through high voltage electric arc

_ Plant tranquillisers$?

Cause early maturation of plants

Hold back stem growth and halt plants at a desired height

Cause early maturation of plants

Accelerate ripening of food and grain

_ In ammonia synthesis (N‚Äö√á√á + 3H‚Äö√á√á = 2NH‚Äö√á√â), there is a decrease in total volume, hence to get high equilibrium conversion, the reaction should be carried out at$?

Atmospheric pressure; as the pressure has no effect on conversion

_ Calcium ammonium nitrate (CAN) is$?

Not a fertiliser ; it is an explosive

_ Fauser Monte Catini converter is used for$?

Methanation of CO and CO‚Äö√á√á

Ammonia synthesis (e.g. at FCI Sindri)

Methanation of CO and CO‚Äö√á√á

Shift conversion (i.e. CO to CO‚Äö√á√á)

_ Triple superphosphate is chemically represented as$?

3Ca‚Äö√á√â(PO‚Äö√á√ë)‚Äö√á√á

CaF‚Äö√á√á.3Ca‚Äö√á√â(PO‚Äö√á√ë)‚Äö√á√á

3Ca‚Äö√á√â(PO‚Äö√á√ë)‚Äö√á√á

Ca(PO‚Äö√á√â)‚Äö√á√á

Ca(H‚Äö√á√áPO‚Äö√á√ë)‚Äö√á√á

_ Potassic fertilisers do not promote the development of$?

Stems & leaves during early stage of plant growth

_ Ammonium sulphate fertiliser is$?

The highest concentration nitrogenous fertiliser

212 + Mcqs in Fertiliser Technology in Chemical Engineering Page 2 McqOptions

51.	/_During nitric acid manufacture, catalytic oxidation of ammonia at 800¬¨‚àûC in presence of platinum catalyst produces nitrogen oxide. Conversion of NH‚Äö√á√â to NO is about __________ percent.?
A.	38
B.	68
C.	82
D.	98
Answer» E.

Discussion

52.	/_Chemical formula of metaphosphoric acid is?
A.	H‚Äö√á√âPO‚Äö√á√ë
B.	H‚Äö√á√ëP‚Äö√á√áO‚Äö√á√°
C.	HPO‚Äö√á√â
D.	Same as that of pyrophosphoric acid
Answer» D. Same as that of pyrophosphoric acid

Discussion

53.	/_Which of the following is not a mixed fertiliser??
A.	Nitrophosphate
B.	Calcium ammonium nitrate (CAN)
C.	Ammonium phosphate
D.	None of these
Answer» C. Ammonium phosphate

Discussion

54.	/_The composition of fresh feed to the high temperature, high pressure urea autoclave is?
A.	Excess liquid ammonia and liquefied CO‚Äö√á√á
B.	Excess liquid ammonia and compressed CO‚Äö√á√á gas
C.	Liquid ammonia and excess compressed CO‚Äö√á√á
D.	Compressed ammonia gas and excess compressed CO‚Äö√á√á
Answer» C. Liquid ammonia and excess compressed CO‚Äö√á√á

Discussion

55.	/_Which is the best fertiliser for paddy??
A.	Ammonium sulphate
B.	Nitro-phosphate
C.	Superphosphate
D.	Potassium nitrate
Answer» B. Nitro-phosphate

Discussion

56.	/_Monte catini process is used for the manufacture of?
A.	Nitric acid
B.	Phosphoric acid
C.	Urea
D.	Calcium ammonium nitrate (CAN)
Answer» D. Calcium ammonium nitrate (CAN)

Discussion

57.	/_Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450¬¨‚àûC in the?
A.	Presence of an inert atmosphere
B.	Presence of a reducing atmosphere
C.	Absence of air
D.	Presence of an oxidising atmosphere
Answer» D. Presence of an oxidising atmosphere

Discussion

58.	/_Optimum reaction temperature in steam reforming of naphtha is __________ ¬¨‚àûC.?
A.	700 - 1000
B.	300 - 450
C.	1500-1700
D.	100-200
Answer» B. 300 - 450

Discussion

59.	/_Which of the following set of conditions is favourable for the maximum yield of ammonia by Haber's process??
A.	High pressure, low reactants concentration, high temperature
B.	High pressure, low reactants concentration, low temperature
C.	High pressure, high reactants concentration, low temperature
D.	Low pressure, high reactants concentration, low temperature
Answer» D. Low pressure, high reactants concentration, low temperature

Discussion

60.	/_Raw materials for urea production are?
A.	CO‚Äö√á√á and N‚Äö√á√á
B.	CO‚Äö√á√á, H‚Äö√á√á and N‚Äö√á√á
C.	NH‚Äö√á√â and CO
D.	HNO‚Äö√á√â and CaCO‚Äö√á√â
Answer» C. NH‚Äö√á√â and CO

Discussion

61.	/_Which one of the following is used as a nitrogenous fertiliser, as a weed killer in the onion fields and for correcting acidic soils??
A.	Urea
B.	CAN
C.	Ammonium sulphate
D.	Calcium cyanamide
Answer» E.

Discussion

62.	/_Conversion achieved in HNO‚Äö√á√â synthesis with the use of platinum catalyst is about 95-97%. The rate of formation of nitrogen dioxide from the oxidation of nitric acid is favoured by?
A.	Decreasing the pressure
B.	Decreasing the temperature
C.	Increasing the temperature
D.	None of these
Answer» D. None of these

Discussion

63.	/_Which of the following fertilisers is required for the development of fibrous materials of the plants and of the sugar of vegetable & fruits??
A.	Nitrogenous fertilisers
B.	Phosphatic fertilisers
C.	Potassic fertiliser
D.	None of these
Answer» D. None of these

Discussion

64.	/_Dehydration of ammonium carbamate (to produce urea) is a/an __________ reaction.?
A.	Reversible
B.	Catalytic
C.	Exothermic
D.	Endothermic
Answer» E.

Discussion

65.	/_Formation of ammonium carbamate by reaction of NH‚Äö√á√â with CO‚Äö√á√á is a/an __________ reaction.?
A.	Catalytic
B.	Exothermic
C.	Endothermic
D.	Reversible
Answer» C. Endothermic

Discussion

66.	/_Nitrogen content of urea is about __________ percent.?
A.	10
B.	46
C.	80
D.	94
Answer» C. 80

Discussion

67.	/_Electric process as compared to wet process (for the manufacture of phosphoric acid)?
A.	Can use only high grade phosphate rock
B.	Is used less frequently
C.	Produces a valuable by-product called gypsum
D.	Is weak acid process
Answer» C. Produces a valuable by-product called gypsum

Discussion

68.	/_Which is a catalyst promoter used in catalytic ammonia synthesis reaction??
A.	Al‚Äö√á√áO‚Äö√á√â
B.	Cr‚Äö√á√áO‚Äö√á√â
C.	K‚Äö√á√áO
D.	MnO
Answer» D. MnO

Discussion

69.	%_Plant tranquillisers_%
A.	Hold back stem growth and halt plants at a desired height
B.	Cause early maturation of plants
C.	Accelerate ripening of food and grain
D.	Produce seedless fruit
Answer» B. Cause early maturation of plants

Discussion

70.	%_Electric process as compared to wet process (for the manufacture of phosphoric acid)_%
A.	Can use only high grade phosphate rock
B.	Is used less frequently
C.	Produces a valuable by-product called gypsum
D.	Is weak acid process
Answer» C. Produces a valuable by-product called gypsum

Discussion

71.	%_Which is a catalyst promoter used in catalytic ammonia synthesis reaction?_%
A.	Al‚Äö√á√áO‚Äö√á√â
B.	Cr‚Äö√á√áO‚Äö√á√â
C.	K‚Äö√á√áO
D.	MnO
Answer» D. MnO

Discussion

72.	%_Which of the following fertilisers is required for the development of fibrous materials of the plants and of the sugar of vegetable & fruits?_%
A.	Nitrogenous fertilisers
B.	Phosphatic fertilisers
C.	Potassic fertiliser
D.	None of these
Answer» D. None of these

Discussion

73.	%_Dehydration of ammonium carbamate (to produce urea) is a/an __________ reaction._%
A.	Reversible
B.	Catalytic
C.	Exothermic
D.	Endothermic
Answer» E.

Discussion

74.	%_Formation of ammonium carbamate by reaction of NH‚Äö√á√â with CO‚Äö√á√á is a/an __________ reaction._%
A.	Catalytic
B.	Exothermic
C.	Endothermic
D.	Reversible
Answer» C. Endothermic

Discussion

75.	%_Nitrogen content of urea is about __________ percent._%
A.	10
B.	46
C.	80
D.	94
Answer» C. 80

Discussion

76.	%_Reaction of orthophosphoric acid with phosphate rock produces_%
A.	Superphosphate
B.	Triple superphosphate
C.	Metaphosphoric acid
D.	Monoammonium phosphate
Answer» C. Metaphosphoric acid

Discussion

77.	%_Conversion achieved in HNO‚Äö√á√â synthesis with the use of platinum catalyst is about 95-97%. The rate of formation of nitrogen dioxide from the oxidation of nitric acid is favoured by_%
A.	Decreasing the pressure
B.	Decreasing the temperature
C.	Increasing the temperature
D.	None of these
Answer» D. None of these

Discussion

78.	%_Hydrogen content of coke oven gas is __________ percent._%
A.	4
B.	22
C.	58
D.	84
Answer» D. 84

Discussion

79.	%_Rock phosphate used for the production of phosphatic fertiliser is mined at_%
A.	Amjhor (Jharkhand)
B.	Talchar (Orissa)
C.	Bailladella (M.P.)
D.	Kiriburu (Bihar)
Answer» B. Talchar (Orissa)

Discussion

80.	%_Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas?_%
A.	Water
B.	Naphtha
C.	Tar
D.	Coal/coke oven gas
Answer» D. Coal/coke oven gas

Discussion

81.	%_Urea is represented as_%
A.	NH‚Äö√á√á.CO.NH‚Äö√á√á
B.	NH‚Äö√á√âCO.CH‚Äö√á√â
C.	NH.CO‚Äö√á√á.NH
D.	NH‚Äö√á√â.CO‚Äö√á√á.NH‚Äö√á√â
Answer» B. NH‚Äö√á√âCO.CH‚Äö√á√â

Discussion

82.	_ Which of the following does not come under the category of 'secondary nutrient' for plant growth?$?
A.	Calcium
B.	Magnesium
C.	Sulphur
D.	Oxygen
Answer» E.

Discussion

83.	_ Nitric acid is produced on commercial scale in a fertiliser plant by$?
A.	Oxidation of ammonia
B.	CaNO‚Äö√á√â + H‚Äö√á√áSO‚Äö√á√ë reaction
C.	Passing air through high voltage electric arc
D.	None of these
Answer» B. CaNO‚Äö√á√â + H‚Äö√á√áSO‚Äö√á√ë reaction

Discussion

84.	_ __________ is required more for leafy crops.$?
A.	Nitrogen
B.	Phosphorous
C.	Potassium
D.	Carbon
Answer» B. Phosphorous

Discussion

85.	_ Which of the following does not come under the category of 'micro-nutrient' for plant growth?$?
A.	Chlorine
B.	Iron
C.	Boron
D.	Carbon
Answer» E.

Discussion

86.	_ Plant tranquillisers$?
A.	Hold back stem growth and halt plants at a desired height
B.	Cause early maturation of plants
C.	Accelerate ripening of food and grain
D.	Produce seedless fruit
Answer» B. Cause early maturation of plants

Discussion

87.	_ A nitrogenous fertiliser contains 20% N‚Äö√á√á. It could be$?
A.	Ammonium nitrate
B.	Calcium ammonium nitrate (CAN)
C.	Urea
D.	Ammonium chloride
Answer» C. Urea

Discussion

88.	_ H‚Äö√á√âPO‚Äö√á√ë is the chemical formula of __________ phosphoric acid.$?
A.	Pyro
B.	Ortho
C.	Meta
D.	None of these
Answer» C. Meta

Discussion

89.	_ The most suitable fertiliser for accelerating seeding or fruit formation in later stages of plant growth is __________ fertiliser.$?
A.	Nitrogenous
B.	Phosphatic
C.	Potassic
D.	None of these
Answer» C. Potassic

Discussion

90.	_ In ammonia synthesis (N‚Äö√á√á + 3H‚Äö√á√á = 2NH‚Äö√á√â), there is a decrease in total volume, hence to get high equilibrium conversion, the reaction should be carried out at$?
A.	Low pressure
B.	High pressure
C.	Very high temperature
D.	Atmospheric pressure; as the pressure has no effect on conversion
Answer» C. Very high temperature

Discussion

91.	_ Calcium ammonium nitrate (CAN) is$?
A.	A mixed fertiliser
B.	A straight fertiliser
C.	A complex fertiliser
D.	Not a fertiliser ; it is an explosive
Answer» D. Not a fertiliser ; it is an explosive

Discussion

92.	_ Fauser Monte Catini converter is used for$?
A.	Ammonia synthesis (e.g. at FCI Sindri)
B.	Methanation of CO and CO‚Äö√á√á
C.	Shift conversion (i.e. CO to CO‚Äö√á√á)
D.	None of these
Answer» B. Methanation of CO and CO‚Äö√á√á

Discussion

93.	_ Triple superphosphate is chemically represented as$?
A.	CaF‚Äö√á√á.3Ca‚Äö√á√â(PO‚Äö√á√ë)‚Äö√á√á
B.	3Ca‚Äö√á√â(PO‚Äö√á√ë)‚Äö√á√á
C.	Ca(PO‚Äö√á√â)‚Äö√á√á
D.	Ca(H‚Äö√á√áPO‚Äö√á√ë)‚Äö√á√á
Answer» B. 3Ca‚Äö√á√â(PO‚Äö√á√ë)‚Äö√á√á

Discussion

94.	_ Urea is a __________ fertiliser.$?
A.	Nitrogenous
B.	Potassic
C.	Phosphatic
D.	None of these
Answer» B. Potassic

Discussion

95.	_ Which one of the following is used as a nitrogenous fertiliser, as a weed killer in the onion fields and for correcting acidic soils?$?
A.	Urea
B.	CAN
C.	Ammonium sulphate
D.	Calcium cyanamide
Answer» E.

Discussion

96.	_ Urea (a nitrogeneous fertiliser) is produced from carbon dioxide and$?
A.	Nitric acid
B.	Ammonia
C.	Ammonium nitrate
D.	Nitric oxide
Answer» C. Ammonium nitrate

Discussion

97.	_ Potassic fertilisers do not promote the development of$?
A.	Stems & leaves during early stage of plant growth
B.	Starches of potatoes & grains
C.	Sugar of fruits & vegetables
D.	Fibrous materials of plants
Answer» B. Starches of potatoes & grains

Discussion

98.	_ In the manufacture of urea, the intermediate chemical formed is$?
A.	Biuret
B.	Ammonium carbamate
C.	Ammonium carbonate
D.	None of these
Answer» C. Ammonium carbonate

Discussion

99.	_ Ammonium sulphate fertiliser is$?
A.	The highest concentration nitrogenous fertiliser
B.	The best fertiliser for paddy
C.	A basic fertiliser
D.	A neutral fertiliser
Answer» C. A basic fertiliser

Discussion

100.	_ Which of the following solvents is used for the extraction of H‚Äö√á√âPO‚Äö√á√ë from CaCl‚Äö√á√á solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching?$?
A.	Iso propyl alcohol
B.	Butyl alcohol
C.	Toluene
D.	Hexane
Answer» C. Toluene

Discussion

Explore topic-wise MCQs in Chemical Engineering.

*/*_During nitric acid manufacture, catalytic oxidation of ammonia at 800¬¨‚àûC in presence of platinum catalyst produces nitrogen oxide. Conversion of NH‚Äö√á√â to NO is about __________ percent.?

*/*_Chemical formula of metaphosphoric acid is?

*/*_Which of the following is not a mixed fertiliser??

*/*_The composition of fresh feed to the high temperature, high pressure urea autoclave is?

*/*_Which is the best fertiliser for paddy??

*/*_Monte catini process is used for the manufacture of?

*/*_Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450¬¨‚àûC in the?

*/*_Optimum reaction temperature in steam reforming of naphtha is __________ ¬¨‚àûC.?

*/*_Which of the following set of conditions is favourable for the maximum yield of ammonia by Haber's process??

*/*_Raw materials for urea production are?

*/*_Which one of the following is used as a nitrogenous fertiliser, as a weed killer in the onion fields and for correcting acidic soils??

*/*_Conversion achieved in HNO‚Äö√á√â synthesis with the use of platinum catalyst is about 95-97%. The rate of formation of nitrogen dioxide from the oxidation of nitric acid is favoured by?

*/*_Which of the following fertilisers is required for the development of fibrous materials of the plants and of the sugar of vegetable & fruits??

*/*_Dehydration of ammonium carbamate (to produce urea) is a/an __________ reaction.?

*/*_Formation of ammonium carbamate by reaction of NH‚Äö√á√â with CO‚Äö√á√á is a/an __________ reaction.?

*/*_Nitrogen content of urea is about __________ percent.?

*/*_Electric process as compared to wet process (for the manufacture of phosphoric acid)?

*/*_Which is a catalyst promoter used in catalytic ammonia synthesis reaction??

%_Plant tranquillisers_%

%_Electric process as compared to wet process (for the manufacture of phosphoric acid)_%

%_Which is a catalyst promoter used in catalytic ammonia synthesis reaction?_%

%_Which of the following fertilisers is required for the development of fibrous materials of the plants and of the sugar of vegetable & fruits?_%

%_Dehydration of ammonium carbamate (to produce urea) is a/an __________ reaction._%

%_Formation of ammonium carbamate by reaction of NH‚Äö√á√â with CO‚Äö√á√á is a/an __________ reaction._%

%_Nitrogen content of urea is about __________ percent._%

%_Reaction of orthophosphoric acid with phosphate rock produces_%

%_Conversion achieved in HNO‚Äö√á√â synthesis with the use of platinum catalyst is about 95-97%. The rate of formation of nitrogen dioxide from the oxidation of nitric acid is favoured by_%

%_Hydrogen content of coke oven gas is __________ percent._%

%_Rock phosphate used for the production of phosphatic fertiliser is mined at_%

%_Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas?_%

%_Urea is represented as_%

_ Which of the following does not come under the category of 'secondary nutrient' for plant growth?$?

_ Nitric acid is produced on commercial scale in a fertiliser plant by$?

_ __________ is required more for leafy crops.$?

_ Which of the following does not come under the category of 'micro-nutrient' for plant growth?$?

_ Plant tranquillisers$?

_ A nitrogenous fertiliser contains 20% N‚Äö√á√á. It could be$?

_ H‚Äö√á√âPO‚Äö√á√ë is the chemical formula of __________ phosphoric acid.$?

_ The most suitable fertiliser for accelerating seeding or fruit formation in later stages of plant growth is __________ fertiliser.$?

_ In ammonia synthesis (N‚Äö√á√á + 3H‚Äö√á√á = 2NH‚Äö√á√â), there is a decrease in total volume, hence to get high equilibrium conversion, the reaction should be carried out at$?

_ Calcium ammonium nitrate (CAN) is$?

_ Fauser Monte Catini converter is used for$?

_ Triple superphosphate is chemically represented as$?

_ Urea is a __________ fertiliser.$?

_ Which one of the following is used as a nitrogenous fertiliser, as a weed killer in the onion fields and for correcting acidic soils?$?

_ Urea (a nitrogeneous fertiliser) is produced from carbon dioxide and$?

_ Potassic fertilisers do not promote the development of$?

_ In the manufacture of urea, the intermediate chemical formed is$?

_ Ammonium sulphate fertiliser is$?

_ Which of the following solvents is used for the extraction of H‚Äö√á√âPO‚Äö√á√ë from CaCl‚Äö√á√á solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching?$?

/_During nitric acid manufacture, catalytic oxidation of ammonia at 800¬¨‚àûC in presence of platinum catalyst produces nitrogen oxide. Conversion of NH‚Äö√á√â to NO is about __________ percent.?

/_Chemical formula of metaphosphoric acid is?

/_Which of the following is not a mixed fertiliser??

/_The composition of fresh feed to the high temperature, high pressure urea autoclave is?

/_Which is the best fertiliser for paddy??

/_Monte catini process is used for the manufacture of?

/_Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450¬¨‚àûC in the?

/_Optimum reaction temperature in steam reforming of naphtha is __________ ¬¨‚àûC.?

/_Which of the following set of conditions is favourable for the maximum yield of ammonia by Haber's process??

/_Raw materials for urea production are?

/_Which one of the following is used as a nitrogenous fertiliser, as a weed killer in the onion fields and for correcting acidic soils??

/_Conversion achieved in HNO‚Äö√á√â synthesis with the use of platinum catalyst is about 95-97%. The rate of formation of nitrogen dioxide from the oxidation of nitric acid is favoured by?

/_Which of the following fertilisers is required for the development of fibrous materials of the plants and of the sugar of vegetable & fruits??

/_Dehydration of ammonium carbamate (to produce urea) is a/an __________ reaction.?

/_Formation of ammonium carbamate by reaction of NH‚Äö√á√â with CO‚Äö√á√á is a/an __________ reaction.?

/_Nitrogen content of urea is about __________ percent.?

/_Electric process as compared to wet process (for the manufacture of phosphoric acid)?

/_Which is a catalyst promoter used in catalytic ammonia synthesis reaction??