Hamad Fertilizer Technology 09/04/2021 A. 4-5 B. 7-8 C. 9-10 D. 12-13 Related Mcqs: An increase in the NH3/CO2 ratio in urea manufacture results in__________________?A. Increased degree of conversion of CO2 to urea B. Decreased degree of conversion of NH3 to urea C. Decreased yield of urea D. Decreased specific volume of molten mass... Which of the following gasifiers can be attached to coal based fertiliser plants ?A. Lurgi (high pressure) gasifier B. Kopper-Totzek gasifier C. Gasifier working at 20 atm D. Gasifier working at 40 atm... Red phosphorous is changed into white phosphorous by______________________?A. Heating in presence of light B. Melting under pressure C. Vaporisation followed by condensation D. None of these... Biuret formation in urea is kept at minimum (< 1 %), because it is___________________?A. Corrosive in nature B. Toxic and harmful to some crops C. Helpful in decomposition of urea D. Explosive in nature... Reaction of phosphate rock with 98% H2SO4 produces ______________________?A. Ortho-phosphoric acid B. Superphosphate C. White phosphorous D. None of these...
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