Fertilizer Technology MCQs

186 MCQs  — Chemical Engineering MCQs  (Page 1 of 19)

Practice Fertilizer Technology MCQs with correct answers and explanations. These questions are from the Chemical Engineering MCQs section.

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Chemical Engineering Subcategories
Chemical EngineeringChemical Environmental Engineering
Chemical ReactionFertilizer Technology
Fluid Mechanics for ChemicalFuels and Combustion
Materials and ConstructionPolymer Technology
Refractory TechnologyThermodynamics for Chemical
Raw materials for nitric acid manufacture are___________________?
A. Hydrogen peroxide, air and water
B. Anhydrous ammonia and air
C. Anhydrous ammonia, air and water
D. Wet ammonia, air and water
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Plant tranquillisers___________________?
A. Hold back stem growth and halt plants at a desired height
B. Cause early maturation of plants
C. Accelerate ripening of food and grain
D. Produce seedless fruit
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Nitrogen content of a nitrogenous fertiliser is 35%. It could be___________________?
A. Urea
B. Ammonium nitrate
C. Calcium ammonium nitrate (can)
D. Ammonium sulphate
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Nitrogen content of urea is about _____________ percent ?
A. 10
B. 46
C. 80
D. 94
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With increases in pressure, the conversion of Ammonium carbamate into urea___________________?
A. Increases
B. Decreases
C. Remains unaltered
D. Can either increase or decrease depends on biuret content
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Nitric acid is produced on commercial scale in a fertiliser plant by___________________?
A. Oxidation of ammonia
B. Cano3 + h2so4 reaction
C. Passing air through high voltage electric arc
D. None of these
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In ammonia synthesis (N2 + 3H2 = 2NH3), there is a decrease in total volume, hence to get high equilibrium conversion, the reaction should be carried out at________________?
A. Low pressure
B. High pressure
C. Very high temperature
D. Atmospheric pressure; as the pressure has no effect on conversion
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Reaction of anhydrous liquid ammonia with ortho-phosphoric acid produces____________________?
A. Ammonium phosphate
B. Superphosphate
C. Triple superphosphate
D. None of these
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-10-5 fertilisers mean that they contain______________?
A. 5, 10, 5% respectively of n2, p2o5 and k2o
B. Only 5 to 10% active fertiliser constituents
D. None of these
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H4P2O7 is the chemical formula of _____________ phosphoric acid?
A. Pyro
B. Ortho
C. Meta
D. None of these
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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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