Fertilizer Technology MCQs

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

Attempt Fertilizer Technology Quiz
Heating a mixture of phosphate rock, coke and sand in an electric furnace produces___________________?
A. Phosphoric acid
B. Ammonium phosphate
C. Phosphorous
D. Superphosphate
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Which of the following fertilisers contains the least percentage of nitrogen ?
A. Liquid ammonia
B. Urea
C. Ammonium phosphate
D. Ammonium sulphate
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pH value of soil is maintained at ______________ by the addition of fertiliser for optimum growth and health of the plant?
A. 4-5
B. 7-8
C. 9-10
D. 12-13
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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
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In the manufacture of H3 PO4 (ortho); strong H2 SO4 leaching wet process as compared to electric furnace process___________________?
A. Uses lower grade phosphate rock
B. Requires lower capital investment in the plant
C. Produces lower purity acid
D. Is very costly
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Oxidation of ammonia is________________?
A. Exothermic
B. Endothermic
C. Non-catalytic
D. Autocatalytic
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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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