Category: Fertilizer Technology Mcqs

A.35% N
B.25% N
C.46% N
D.82% N

A.it is an explosive
B.it is a compound which is detrimental to germinating seeds and toxic to animals
C.it decomposes urea into carbon dioxide nitrogen and water
D.its nitrogen content is only 4 wt %

A.decreases with increase in temperature from 140?C to 175?C
B.increases with increase in temperature to maximum at 175-180?C then falls off sharply
C.decreases linearly with increase in temperature
D.is independent of temperature

A.during early stages of plant growth to promote development of stems and leaves
B.to accelerate seeding or fruit formation in later stages of growth
C.for the development of the starches of potatoes and grains
D.for the development of the sugar of fruits and vegetables and the fibrous material of plants

A.urea
B.ammonium sulphate
C.superphosphate
D.calcium ammonium nitrate

A.ammonium carbonate
B.ammonia
C.nitric acid
D.soda ash

A.Urea
B.Dismmonium phosphate
C.Ammonium nitrate
D.Calcium phosphate

A. three : one
B. two : one
C. one : three
D. one : two
Continue reading “If a mixture containing 3 moles of hydrogen and 1 mole of nitrogen is converted completely in ammonia the ration of initial and final volumes at the same temperature and pressure would be ______________?”

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

A.H4P2O7
B.H3PO4
C.HPO3
D.H3PO3