E-PolyLearning

61. Largest capacity nitrogenous fertiliser plants (2700 tons of NH₃ per day) (2 Nos) in India are located at
a. Thal-Vaishet (under RCF in Maharashtra) and Hazira (under IFFCO in Gujarat).
b. Talchar (Orissa) and Ramagundam (A.P.) both under FCI.
c. Korba (M.P.) and Talchar (Orissa) both under FCI.
d. Haldia (W.B) and Namrup (Assam) both under HFC.
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Answer: (a).Thal-Vaishet (under RCF in Maharashtra) and Hazira (under IFFCO in Gujarat).

62. Nitrogen content of urea is about __________ percent.
a. 10
b. 46
c. 80
d. 94
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Answer: (b).46

63. Nitrogen content of calcium ammonium nitrate (CAN) is __________ percent.
a. 10
b. 25
c. 50
d. 80
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Answer: (b).25

64. Catalyst used in ammonia synthesis uses __________ as a promoter.
a. Pt
b. K₂O
c. Al₂O₃
d. Ni
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Answer: (b).K₂O

65. __________ is the most suitable fertiliser for paddy.
a. Urea
b. Ammonium sulphate
c. Superphosphate
d. Potassium nitrate
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Answer: (b).Ammonium sulphate