Fertiliser Technology MCQs
Practice free Fertiliser Technology multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 275 questions — no login required.
Question 100hard
The composition of fresh feed to the high temperature, high pressure urea autoclave is
Question 101hard
5-10-5 fertilisers mean that they contain
Question 102easy
Maximum nitrogen percentage is in
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Question 103hard
Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N2 & H2 is high. The presence of promoter along with the catalyst helps in __________ of the catalyst.
Question 104medium
Low grade phosphate rock can be used in electrical furnace, because
Question 105hard
Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450°C in the
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Question 106medium
Catalyst used in the oxidation of ammonia is
Question 107hard
An increase in the NH3/CO2 ratio in urea manufacture results in
Question 108hard
Heating of coke, sand & phosphate rock in an electric furnace is done for the manufacture of