Fertilizer Technology Archives

Both white phosphorous as well as red phosphorous_________________?

Both white phosphorous as well as red phosphorous_________________?

A. Are soluble in CS2
B. Burns when heated in air
C. Reacts with hot caustic soda solution to give Phosphine
D. All A., B., and C.

Both white phosphorous as well as red phosphorous_________________? Read More »

Fertilizer Technology

Which of the following fertilisers is required for the development of fibrous materials of the plants and of the sugar of vegetable & fruits ?

Fertilizer Technology / admin

Which of the following fertilisers is required for the development of fibrous materials of the plants and of the sugar of vegetable & fruits ?

A. Nitrogenous fertilisers
B. Phosphatic fertilisers
C. Potassic fertiliser
D. None of these

Which of the following fertilisers is required for the development of fibrous materials of the plants and of the sugar of vegetable & fruits ? Read More »

Fertilizer Technology

Prilling tower is found in the flowsheet for the manufacture of__________________?

Fertilizer Technology / admin

Prilling tower is found in the flowsheet for the manufacture of__________________?

A. Ammonia
B. Urea
C. Superphosphate
D. Triple superphosphate

Prilling tower is found in the flowsheet for the manufacture of__________________? Read More »

Fertilizer Technology

Heating of ortho-phosphoric acid to about 900°C, produces_________________?

Fertilizer Technology / admin

Heating of ortho-phosphoric acid to about 900°C, produces_________________?

A. Meta-phosphoric acid
B. Pyrophosphoric acid
C. No change in it
D. None of these

Heating of ortho-phosphoric acid to about 900°C, produces_________________? Read More »

Fertilizer Technology

Ammonium nitrate (a fertiliser) is coated with limestone powder to ____________________?

Fertilizer Technology / admin

Ammonium nitrate (a fertiliser) is coated with limestone powder to ____________________?

A. Increase its nitrogen content
B. Cut down its production cost
C. Avoid the risk of explosion
D. Add extra nutrient as fertiliser

Ammonium nitrate (a fertiliser) is coated with limestone powder to ____________________? Read More »

Fertilizer Technology

Main component of bone ash is _________________?

Fertilizer Technology / admin

Main component of bone ash is _________________?

A. Calcium sulphate
B. Calcium phosphate
C. Calcium carbonate
D. Sodium phosphate

Main component of bone ash is _________________? Read More »

Fertilizer Technology

Which of the following solvents is used for the extraction of H3PO4 from CaCl2 solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching ?

Fertilizer Technology / admin

Which of the following solvents is used for the extraction of H3PO4 from CaCl2 solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching ?

A. Isopropyl alcohol
B. Butyl alcohol
C. Toluene
D. Hexane

Which of the following solvents is used for the extraction of H3PO4 from CaCl2 solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching ? Read More »

Fertilizer Technology

Reaction of calcium Fluorapatite with sulphuric acid produces ___________________?

Fertilizer Technology / admin

Reaction of calcium Fluorapatite with sulphuric acid produces ___________________?

A. Ortho-phosphoric acid
B. Simple superphosphate
C. Triple superphosphate
D. Red phosphorous

Reaction of calcium Fluorapatite with sulphuric acid produces ___________________? Read More »

Fertilizer Technology

Ammonia synthesis gas is produced from fuel oil by _________________?

Fertilizer Technology / admin

Ammonia synthesis gas is produced from fuel oil by _________________?

A. Steam reforming
B. Hydro-cracking
C. Partial oxidation
D. Hydrogenation

Ammonia synthesis gas is produced from fuel oil by _________________? Read More »

Fertilizer Technology

Vetrocoke solution is_________________?

Fertilizer Technology / admin

Vetrocoke solution is_________________?

A. A mixture of K2CO3 and As2O3
B. K2SO4
C. A mixture of Na2CO3 and As2O3
D. Na2SO4

Vetrocoke solution is_________________? Read More »

Fertilizer Technology