Home/Chemical-Engineering/Fertiliser Technology

Fertiliser Technology MCQs

275 questionsChemical-EngineeringPage 1 of 31

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 1medium

Heating of orthophosphoric acid to about 900°C, produces

⚑ Report ✎ Feedback

Question 2medium

A potassic fertiliser contains 50% K2O. It could be

⚑ Report ✎ Feedback

Question 3hard

Liquid ammonia is not used as such a fertiliser in tropical countries like India, because

⚑ Report ✎ Feedback

Question 4hard

Which one of the following is used as a nitrogenous fertiliser, as a weed killer in the onion fields and for correcting acidic soils?

⚑ Report ✎ Feedback

Question 5hard

Multistage operation (as in the case of catalytic oxidation of SO2) is not carried out for NH3 synthesis, because of

⚑ Report ✎ Feedback

Question 6hard

Iron is not used alone as a catalyst in ammonia synthesis, because

⚑ Report ✎ Feedback

Question 7hard

Nitrogen content in ammonium sulphate (a fertiliser) is around __________ percent.

⚑ Report ✎ Feedback

Question 8medium

Which of the following fertilisers contains the least percentage of nitrogen?

⚑ Report ✎ Feedback

Question 9hard

Conversion achieved in HNO3 synthesis with the use of platinum catalyst is about 95 - 97%. The rate of formation of nitrogen dioxide from the oxidation of nitric acid is favoured by

⚑ Report ✎ Feedback