Fertiliser Technology - Study Mode
[#21] Reaction of calcium fluorapatite with sulphuric acid produces
Correct Answer
(B) Simple superphosphate
[#22] Prilling of urea should be accomplished (in a sprayer) just above the melting point of urea with minimum of retention time, otherwise it will result in
Correct Answer
(B) Biuret formation
[#23] Urea is a __________ fertiliser.
Correct Answer
(A) Nitrogenous
[#24] Which of the following fertilisers is needed for promoting the development of leaves and stems during early stages of plant growth?
Correct Answer
(A) Nitrogeneous fertiliser
[#25] __________ is the undesirable by-product produced in the manufacture of urea.
Correct Answer
(B) Biuret