Fertilizer Technology MCQs

186 MCQs  — Chemical Engineering MCQs  (Page 16 of 19)

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Chemical formula of biuret is_________________?
A. Nh2.co.nh2
B. Nh3.coo.nh3
C. Nh2conhconh2
D. Nh4coonh2
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Ammonia synthesis gas is produced from natural gas by___________________?
A. Thermal cracking
B. Steam reforming
C. Partial oxidation
D. Hydrogenation
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In an ammonia plant, the purge off is essential to___________________?
A. Maintain inert gas concentration within a limit
B. Remove excess posionous gases
C. Maintain h2 : n2 ratio at 3 :1
D. Remove uncondensed ammonia vapour
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Superphosphate is manufactured by reacting phosphate rock with_____________________?
A. Acetic acid
B. Sulphuric acid
C. Aluminium chloride
D. None of these
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Which of the following nitrogenous fertilisers has the highest percentage of nitrogen ?
A. Calcium nitrate
B. Calcium ammonium nitrate (can)
C. Urea
D. Ammonium sulphate
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In _____________ converter for ammonia synthesis, the catalyst is arranged in the form of a single continuous bed?
A. Fauser-montecatini
B. Claude
C. Uhde
D. Kellogg
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Vetrocoke solution is_________________?
A. A mixture of k2co3 and as2o3
B. K2so4
C. A mixture of na2co3 and as2o3
D. Na2so4
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Ammonia synthesis gas is produced from fuel oil by _________________?
A. Steam reforming
B. Hydro-cracking
C. Partial oxidation
D. Hydrogenation
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Reaction of calcium Fluorapatite with sulphuric acid produces ___________________?
A. Ortho-phosphoric acid
B. Simple superphosphate
C. Triple superphosphate
D. Red phosphorous
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Which of the following solvents is used for the extraction of H3PO4 from CaCl2 solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching ?
A. Isopropyl alcohol
B. Butyl alcohol
C. Toluene
D. Hexane
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Word of the Day
22 Jul
Combative
ready or eager to fight or argue.
لڑاکا، متنازع، جھگڑالو

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