Potassic fertilizer is required
A.for the development of the starches of potatoes and grains
B.for the development of the sugar of fruits and vegetables
C.for the development of the fibrous material of plants
D.all of these answers
Category: Fertilizer Technology Mcqs
The chemical formula of pyrophosphoric acid is
A.H4P2O7
B.H3PO4
C.HPO3
D.H3PO3
In wet process (Hydrochloric acid leaching) for the manufacture of orthophosphoric acid solvent used for the extraction of H3PO4 from CaCI2 solution is
A.benzene
B.butanol
C.methyl ethyl ketone
D.hexane
Superphosphate contains
A.16-20% P2O5
B.30-35% P2O5
C.42-50% P2O5
D.70-75% P2O5
