Ammonium nitrate is$?

Having about 40% N‚Äö√á√á

Not prone to explosive thermal decomposition

Mixed with limestone powder to reduce its explosive nature before using it as a fertilizer

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

It is hygroscopic and explosive in nature

It is a liquid at room temperature

Its nitrogen content is very less

Chemical formula of biuret is$?

NH‚Äö√á√ëCOONH‚Äö√á√á

NH‚Äö√á√á.CO.NH‚Äö√á√á

NH‚Äö√á√â.COO.NH‚Äö√á√â

NH‚Äö√á√áCONHCONH‚Äö√á√á

NH‚Äö√á√ëCOONH‚Äö√á√á

Though liquid ammonia itself is a fertiliser (with 82% nitrogen content) yet it is commonly not used as such in a tropical country like India, because it$?

Vaporises at normal temperature

Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis?$?

H? separation from coke oven gas

During conversion of ammonium carbamate into urea, presence of large excess of water$?

Reduces the evaporator load by diluting the urea solution

Adversely affects the yield of urea

Reduces the evaporator load by diluting the urea solution

Does not affect the yield of urea

In calcium ammonium nitrate (CAN) fertil-ser$?

Ammoniacal nitrogen is quick acting

Nitrate nitrogen is quick acting

Ammoniacal nitrogen is quick acting

Nitrate nitrogen is slower acting

Phosphoric acid is produced in wet process from phosphate rock and$?

Concentrated H‚Äö√á√áSO‚Äö√á√ë

Dilute H‚Äö√á√áSO‚Äö√á√ë

Concentrated H‚Äö√á√áSO‚Äö√á√ë

Concentrated NHO‚Äö√á√â

Hydrogen is recovered from coke oven gas on commercial scale (as practised in fertiliser plant at Rourkela) by$?

Absorption (using ethanolamine or pyragalloll solution)

Cryogenic operations (low temperature cooling)

Absorption (using ethanolamine or pyragalloll solution)

Having about 40% N‚Äö√á√á

Not prone to explosive thermal decomposition

Mixed with limestone powder to reduce its explosive nature before using it as a fertilizer

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

It is hygroscopic and explosive in nature

It is a liquid at room temperature

Its nitrogen content is very less

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

Use coal as filler in fertiliser

Gasify coal to get hydrogen from coal gas

Use coal as filler in fertiliser

Use coal as conditioner in fertiliser

Pick out the wrong statement.?

Cereal crops grown on alkaline soil absorb higher amount of flourides thereby spreading flourosis

Loamy soil is the best soil for vigorous plant growth, while the clayey soil is solid and hence the plant roots penetrate with difficulty

Large excess use of nitrogenous fertiliser in land causes the problem of diarrhoea and cyanosis

Application of large excess of potassic fertiliser in soil increases the valuable carotene in fruits and vegetables

Cereal crops grown on alkaline soil absorb higher amount of flourides thereby spreading flourosis

During conversion of ammonium carbamate into urea, presence of large excess of water?

Reduces the evaporator load by diluting the urea solution

Adversely affects the yield of urea

Reduces the evaporator load by diluting the urea solution

Does not affect the yield of urea

Hydrogen is recovered from coke oven gas on commercial scale (as practised in fertiliser plant at Rourkela) by?

Absorption (using ethanolamine or pyragalloll solution)

Cryogenic operations (low temperature cooling)

Absorption (using ethanolamine or pyragalloll solution)

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

Concentrated H‚Äö√á√áSO‚Äö√á√ë

Dilute H‚Äö√á√áSO‚Äö√á√ë

Concentrated H‚Äö√á√áSO‚Äö√á√ë

Concentrated NHO‚Äö√á√â

In calcium ammonium nitrate (CAN) fertil-ser?

Ammoniacal nitrogen is quick acting

Nitrate nitrogen is quick acting

Ammoniacal nitrogen is quick acting

Nitrate nitrogen is slower acting

Though liquid ammonia itself is a fertiliser (with 82% nitrogen content) yet it is commonly not used as such in a tropical country like India, because it?

Vaporises at normal temperature

Chemical formula of biuret is?

NH‚Äö√á√ëCOONH‚Äö√á√á

NH‚Äö√á√á.CO.NH‚Äö√á√á

NH‚Äö√á√â.COO.NH‚Äö√á√â

NH‚Äö√á√áCONHCONH‚Äö√á√á

NH‚Äö√á√ëCOONH‚Äö√á√á

Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis??

H? separation from coke oven gas

212 + Mcqs in Fertiliser Technology in Chemical Engineering Page 4 McqOptions

151.	Ammonium nitrate is$?
A.	Having about 40% N‚Äö√á√á
B.	Not hygroscopic
C.	Not prone to explosive thermal decomposition
D.	Mixed with limestone powder to reduce its explosive nature before using it as a fertilizer
Answer» E.

Discussion

152.	Ammonium nitrate (is mixed with limestone) is not used as fertiliser as such, because$?
A.	It is hygroscopic and explosive in nature
B.	It is highly acidic in nature
C.	It is a liquid at room temperature
D.	Its nitrogen content is very less
Answer» B. It is highly acidic in nature

Discussion

153.	Chemical formula of biuret is$?
A.	NH‚Äö√á√á.CO.NH‚Äö√á√á
B.	NH‚Äö√á√â.COO.NH‚Äö√á√â
C.	NH‚Äö√á√áCONHCONH‚Äö√á√á
D.	NH‚Äö√á√ëCOONH‚Äö√á√á
Answer» D. NH‚Äö√á√ëCOONH‚Äö√á√á

Discussion

154.	Triple superphosphate which contains about 46% P‚Äö√á√áO‚Äö√á√ñ is produced by the reaction of phosphate rock with ortho phosphoric acid of____percent concentration.$?
A.	25-28
B.	52-54
C.	75-80
D.	> 98
Answer» C. 75-80

Discussion

155.	Though liquid ammonia itself is a fertiliser (with 82% nitrogen content) yet it is commonly not used as such in a tropical country like India, because it$?
A.	Has a pungent smell
B.	Vaporises at normal temperature
C.	Is toxic and highly corrosive
D.	Is in short supply
Answer» C. Is toxic and highly corrosive

Discussion

156.	Yield of elemental phosphorous from rock phosphate is about __________ percent.$?
A.	1-2
B.	15-25
C.	40-45
D.	60-65
Answer» C. 40-45

Discussion

157.	Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis?$?
A.	H? separation from coke oven gas
B.	Steam reforming of naphtha
C.	Cracking of natural gas
D.	Electrolysis of water
Answer» E.

Discussion

158.	Ammonium phosphate is a __________ fertiliser.$?
A.	Nitrogenous
B.	Phosphatic
C.	Complex
D.	Mixed
Answer» E.

Discussion

159.	Which is the most suitable fertiliser for paddy?$?
A.	CAN
B.	Ammonium sulphate
C.	Ammonium nitrate
D.	Superphosphate
Answer» C. Ammonium nitrate

Discussion

160.	Commercial fertilisers are available mostly in the form of$?
A.	Powder
B.	Grannules
C.	Lumps
D.	Flakes
Answer» C. Lumps

Discussion

161.	During conversion of ammonium carbamate into urea, presence of large excess of water$?
A.	Increases the yield of urea
B.	Adversely affects the yield of urea
C.	Reduces the evaporator load by diluting the urea solution
D.	Does not affect the yield of urea
Answer» C. Reduces the evaporator load by diluting the urea solution

Discussion

162.	In calcium ammonium nitrate (CAN) fertil-ser$?
A.	Nitrate nitrogen is quick acting
B.	Ammoniacal nitrogen is quick acting
C.	Nitrate nitrogen is slower acting
D.	None of these
Answer» B. Ammoniacal nitrogen is quick acting

Discussion

163.	C/H ratio (by weight) of naphtha used in nitrogenous fertiliser making is about$?
A.	2
B.	6
C.	13
D.	20
Answer» C. 13

Discussion

164.	Phosphorus vapour comprises of$?
A.	P
B.	P‚Äö√á√á
C.	P‚Äö√á√â
D.	P‚Äö√á√ë
Answer» E.

Discussion

165.	Monte catini process is a widely used process for the manufacture of$?
A.	Urea
B.	Calcium ammonium nitrate
C.	Triple superposphate
D.	None of these
Answer» B. Calcium ammonium nitrate

Discussion

166.	Naphtha in a fertiliser plant is used as a source of$?
A.	Fuel
B.	H‚Äö√á√á
C.	N‚Äö√á√á
D.	O‚Äö√á√á
Answer» C. N‚Äö√á√á

Discussion

167.	Phosphoric acid is produced in wet process from phosphate rock and$?
A.	Dilute H‚Äö√á√áSO‚Äö√á√ë
B.	Concentrated H‚Äö√á√áSO‚Äö√á√ë
C.	Concentrated NHO‚Äö√á√â
D.	Concentrated HCl
Answer» B. Concentrated H‚Äö√á√áSO‚Äö√á√ë

Discussion

168.	Hydrogen is recovered from coke oven gas on commercial scale (as practised in fertiliser plant at Rourkela) by$?
A.	Adsorption on palladium
B.	Cryogenic operations (low temperature cooling)
C.	Absorption (using ethanolamine or pyragalloll solution)
D.	None of these
Answer» C. Absorption (using ethanolamine or pyragalloll solution)

Discussion

169.	Fusion zone in the electric furnace used for reduction of phosphate rock to elemental phosphorous is maintained at __________ ¬¨‚àûC.$?
A.	250-300
B.	500-750
C.	950-1050
D.	1400-1450
Answer» E.

Discussion

170.	Reaction of calcium fluorapatite with sulphuric acid produces$?
A.	Ortho-phosphoric acid
B.	Simple superphosphate
C.	Triple superphosphate
D.	Red phosphorous
Answer» C. Triple superphosphate

Discussion

171.	Which fertiliser is made (using coke oven gas) in by products plant of an integrated steel plant?$?
A.	Urea
B.	CAN
C.	Ammonium sulphate
D.	Superphosphate
Answer» D. Superphosphate

Discussion

172.	Ammonium nitrate is?
A.	Having about 40% N‚Äö√á√á
B.	Not hygroscopic
C.	Not prone to explosive thermal decomposition
D.	Mixed with limestone powder to reduce its explosive nature before using it as a fertilizer
Answer» E.

Discussion

173.	Ammonium nitrate (is mixed with limestone) is not used as fertiliser as such, because?
A.	It is hygroscopic and explosive in nature
B.	It is highly acidic in nature
C.	It is a liquid at room temperature
D.	Its nitrogen content is very less
Answer» B. It is highly acidic in nature

Discussion

174.	Coal based fertiliser plants at Ramagundam (Andhra Pradesh) and Talchar (Orissa)?
A.	Use coal for heating purpose
B.	Gasify coal to get hydrogen from coal gas
C.	Use coal as filler in fertiliser
D.	Use coal as conditioner in fertiliser
Answer» C. Use coal as filler in fertiliser

Discussion

175.	Catalyst used in steam reforming of naphtha is?
A.	Nickel
B.	Platinum
C.	Silica gel
D.	Rhodium
Answer» B. Platinum

Discussion

176.	Which of the following is not a measure component necessarily to be present in fertilisers??
A.	Nitrogen
B.	Potassium
C.	Phosphorous
D.	Sulphur
Answer» E.

Discussion

177.	Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ ¬¨‚àûC in absence of air.?
A.	50-80
B.	250-400
C.	1000-1200
D.	800-900
Answer» C. 1000-1200

Discussion

178.	Pick out the wrong statement.?
A.	Loamy soil is the best soil for vigorous plant growth, while the clayey soil is solid and hence the plant roots penetrate with difficulty
B.	Large excess use of nitrogenous fertiliser in land causes the problem of diarrhoea and cyanosis
C.	Application of large excess of potassic fertiliser in soil increases the valuable carotene in fruits and vegetables
D.	Cereal crops grown on alkaline soil absorb higher amount of flourides thereby spreading flourosis
Answer» D. Cereal crops grown on alkaline soil absorb higher amount of flourides thereby spreading flourosis

Discussion

179.	Triple superphosphate which contains about 46% P‚Äö√á√áO‚Äö√á√ñ is produced by the reaction of phosphate rock with ortho phosphoric acid of____percent concentration.?
A.	25-28
B.	52-54
C.	75-80
D.	> 98
Answer» C. 75-80

Discussion

180.	Nitrogen content in ammonium sulphate (a fertiliser) is around __________ percent.?
A.	5
B.	20
C.	50
D.	65
Answer» C. 50

Discussion

181.	Commercial fertilisers are available mostly in the form of?
A.	Powder
B.	Grannules
C.	Lumps
D.	Flakes
Answer» C. Lumps

Discussion

182.	During conversion of ammonium carbamate into urea, presence of large excess of water?
A.	Increases the yield of urea
B.	Adversely affects the yield of urea
C.	Reduces the evaporator load by diluting the urea solution
D.	Does not affect the yield of urea
Answer» C. Reduces the evaporator load by diluting the urea solution

Discussion

183.	Ammonium phosphate is a __________ fertiliser.?
A.	Nitrogenous
B.	Phosphatic
C.	Complex
D.	Mixed
Answer» E.

Discussion

184.	Which is the most suitable fertiliser for paddy??
A.	CAN
B.	Ammonium sulphate
C.	Ammonium nitrate
D.	Superphosphate
Answer» C. Ammonium nitrate

Discussion

185.	Hydrogen is recovered from coke oven gas on commercial scale (as practised in fertiliser plant at Rourkela) by?
A.	Adsorption on palladium
B.	Cryogenic operations (low temperature cooling)
C.	Absorption (using ethanolamine or pyragalloll solution)
D.	None of these
Answer» C. Absorption (using ethanolamine or pyragalloll solution)

Discussion

186.	Fusion zone in the electric furnace used for reduction of phosphate rock to elemental phosphorous is maintained at __________ ¬¨‚àûC.?
A.	250-300
B.	500-750
C.	950-1050
D.	1400-1450
Answer» E.

Discussion

187.	Naphtha in a fertiliser plant is used as a source of?
A.	Fuel
B.	H‚Äö√á√á
C.	N‚Äö√á√á
D.	O‚Äö√á√á
Answer» C. N‚Äö√á√á

Discussion

188.	Phosphoric acid is produced in wet process from phosphate rock and?
A.	Dilute H‚Äö√á√áSO‚Äö√á√ë
B.	Concentrated H‚Äö√á√áSO‚Äö√á√ë
C.	Concentrated NHO‚Äö√á√â
D.	Concentrated HCl
Answer» B. Concentrated H‚Äö√á√áSO‚Äö√á√ë

Discussion

189.	Phosphorus vapour comprises of?
A.	P
B.	P‚Äö√á√á
C.	P‚Äö√á√â
D.	P‚Äö√á√ë
Answer» E.

Discussion

190.	Monte catini process is a widely used process for the manufacture of?
A.	Urea
B.	Calcium ammonium nitrate
C.	Triple superposphate
D.	None of these
Answer» B. Calcium ammonium nitrate

Discussion

191.	In calcium ammonium nitrate (CAN) fertil-ser?
A.	Nitrate nitrogen is quick acting
B.	Ammoniacal nitrogen is quick acting
C.	Nitrate nitrogen is slower acting
D.	None of these
Answer» B. Ammoniacal nitrogen is quick acting

Discussion

192.	C/H ratio (by weight) of naphtha used in nitrogenous fertiliser making is about?
A.	2
B.	6
C.	13
D.	20
Answer» C. 13

Discussion

193.	Though liquid ammonia itself is a fertiliser (with 82% nitrogen content) yet it is commonly not used as such in a tropical country like India, because it?
A.	Has a pungent smell
B.	Vaporises at normal temperature
C.	Is toxic and highly corrosive
D.	Is in short supply
Answer» C. Is toxic and highly corrosive

Discussion

194.	Chemical formula of biuret is?
A.	NH‚Äö√á√á.CO.NH‚Äö√á√á
B.	NH‚Äö√á√â.COO.NH‚Äö√á√â
C.	NH‚Äö√á√áCONHCONH‚Äö√á√á
D.	NH‚Äö√á√ëCOONH‚Äö√á√á
Answer» D. NH‚Äö√á√ëCOONH‚Äö√á√á

Discussion

195.	Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis??
A.	H? separation from coke oven gas
B.	Steam reforming of naphtha
C.	Cracking of natural gas
D.	Electrolysis of water
Answer» E.

Discussion

196.	Yield of elemental phosphorous from rock phosphate is about __________ percent.?
A.	1-2
B.	15-25
C.	40-45
D.	60-65
Answer» C. 40-45

Discussion

197.	Which fertiliser is made (using coke oven gas) in by products plant of an integrated steel plant??
A.	Urea
B.	CAN
C.	Ammonium sulphate
D.	Superphosphate
Answer» D. Superphosphate

Discussion

198.	Reaction of calcium fluorapatite with sulphuric acid produces?
A.	Ortho-phosphoric acid
B.	Simple superphosphate
C.	Triple superphosphate
D.	Red phosphorous
Answer» C. Triple superphosphate

Discussion

199.	A potassic fertiliser contains 50% K‚Äö√á√áO. It could be$
A.	Potassium sulphate
B.	Potassium chloride
C.	A mixture of NaCl+ KCl
D.	None of these
Answer» B. Potassium chloride

Discussion

200.	Which nutrient in fertiliser makes the plant stems stronger and increases branching?
A.	Nitrogen
B.	Phosphorous
C.	Potassium
D.	Calcium
Answer» C. Potassium

Discussion

Explore topic-wise MCQs in Chemical Engineering.

Ammonium nitrate is$?

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

Chemical formula of biuret is$?

Triple superphosphate which contains about 46% P‚Äö√á√áO‚Äö√á√ñ is produced by the reaction of phosphate rock with ortho phosphoric acid of____percent concentration.$?

Though liquid ammonia itself is a fertiliser (with 82% nitrogen content) yet it is commonly not used as such in a tropical country like India, because it$?

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

Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis?$?

Ammonium phosphate is a __________ fertiliser.$?

Which is the most suitable fertiliser for paddy?$?

Commercial fertilisers are available mostly in the form of$?

During conversion of ammonium carbamate into urea, presence of large excess of water$?

In calcium ammonium nitrate (CAN) fertil-ser$?

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

Phosphorus vapour comprises of$?

Monte catini process is a widely used process for the manufacture of$?

Naphtha in a fertiliser plant is used as a source of$?

Phosphoric acid is produced in wet process from phosphate rock and$?

Hydrogen is recovered from coke oven gas on commercial scale (as practised in fertiliser plant at Rourkela) by$?

Fusion zone in the electric furnace used for reduction of phosphate rock to elemental phosphorous is maintained at __________ ¬¨‚àûC.$?

Reaction of calcium fluorapatite with sulphuric acid produces$?

Which fertiliser is made (using coke oven gas) in by products plant of an integrated steel plant?$?

Ammonium nitrate is?

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

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

Catalyst used in steam reforming of naphtha is?

Which of the following is not a measure component necessarily to be present in fertilisers??

Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ ¬¨‚àûC in absence of air.?

Pick out the wrong statement.?

Triple superphosphate which contains about 46% P‚Äö√á√áO‚Äö√á√ñ is produced by the reaction of phosphate rock with ortho phosphoric acid of____percent concentration.?

Nitrogen content in ammonium sulphate (a fertiliser) is around __________ percent.?

Commercial fertilisers are available mostly in the form of?

During conversion of ammonium carbamate into urea, presence of large excess of water?

Ammonium phosphate is a __________ fertiliser.?

Which is the most suitable fertiliser for paddy??

Hydrogen is recovered from coke oven gas on commercial scale (as practised in fertiliser plant at Rourkela) by?

Fusion zone in the electric furnace used for reduction of phosphate rock to elemental phosphorous is maintained at __________ ¬¨‚àûC.?

Naphtha in a fertiliser plant is used as a source of?

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

Phosphorus vapour comprises of?

Monte catini process is a widely used process for the manufacture of?

In calcium ammonium nitrate (CAN) fertil-ser?

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

Though liquid ammonia itself is a fertiliser (with 82% nitrogen content) yet it is commonly not used as such in a tropical country like India, because it?

Chemical formula of biuret is?

Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis??

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

Which fertiliser is made (using coke oven gas) in by products plant of an integrated steel plant??

Reaction of calcium fluorapatite with sulphuric acid produces?

A potassic fertiliser contains 50% K‚Äö√á√áO. It could be$

Which nutrient in fertiliser makes the plant stems stronger and increases branching?