Home
About Us
Contact Us
Privacy Policy
Search
Home
→
Fertilizer Technology
→
P2O5 percentage in the phosphoric acid produced by wet process is about_________________?
Related MCQs
CO2 present in reformed gas (obtained by steam reforming of naphtha) is removed by absorbing in __________?
The essential ingredient of all the synthesis gas is__________?
Excessive use of chemical fertilisers causes shrivelling of the roots and wilting of the plant, because the__________?
During conversion of ammonium carbamate into urea, presence of large excess of water__________?
Coal based fertiliser plants at Ramagundam (Andhra Pradesh) and Talcher (Orissa) ?
Temperature and pressure in urea autoclave is__________?
__________ is the undesirable by-product produced in the manufacture of urea ?
A Potassic fertiliser contains 50% K2O. It could be __________?
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__________?
Which nutrient in fertiliser makes the plant stems stronger and increases branching ?
Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450°C in the __________?
In natural gas, the C/H ratio (by weight) varies in the range of__________?
CaH4(PO4)2 is the chemical formula of __________?
C/H ratio (by weight) of naphtha used in nitrogenous fertiliser making is about__________?
Temperature and pressure in ammonia converter is__________?
Raw materials for urea production are __________?
Formation of ammonium carbamate by reaction of NH3 with CO2 is a/an __________ reaction?
Fusion zone in the electric furnace used for reduction of phosphate rock to elemental phosphorous is maintained at __________ °C?
A phosphatic fertiliser contains 16% P2O5. It could be__________?
Reaction of ortho-phosphoric acid with phosphate rock produces __________?
Biuret formation in urea is kept at minimum (< 1 %), because it is__________?
Effectiveness of a fertiliser is independent of the __________?
Which is the best fertiliser for paddy ?
Action of phosphoric acid on rock phosphate produces__________?
Optimum reaction temperature in steam reforming of naphtha is __________ °C?
In calcium ammonium nitrate (CAN) fertiliser __________?
Catalyst used in desulphurisation of naphtha is__________?
Steam reforming of naphtha is a source of hydrogen production for nitrogenous fertiliser industry. What is the usual ratio of steam to carbon maintained in the process of steam reforming of naphtha ?
Which of the following set of conditions is favourable for the maximum yield of ammonia by Haber’s process ?
Which of the following does not come under the category of ‘secondary nutrient’ for plant growth ?
Which of the following fertilizers is used as a cattle feed ?
Hydrogen content of coke oven gas is __________ percent?
Which of the following fertilisers is needed for promoting the development of leaves and stems during early stages of plant growth ?
Ammonium sulphate fertiliser is __________?
Urea (a nitrogenous fertiliser) is produced from carbon dioxide and__________?
Two gas based fertiliser plants are located in India are__________?
Yield of elemental phosphorous from rock phosphate is about __________ percent?
P2O5 content in triple superphosphate is about __________ percent?
__________ is not a fertiliser?
Urea is represented as__________?
Reaction of ortho-phosphoric acid with soda ash produces__________?
Phosphatic fertilisers__________?
Reaction of nitric acid and sulphuric acid with phosphate rock produces__________?
Red phosphorous is changed into white phosphorous by__________?
NPK fertiliser is a __________ fertiliser?
Montecatini process is a widely used process for the manufacture of __________?
Which is a catalyst promoter used in catalytic ammonia synthesis reaction ?
Nitrogen content of calcium ammonium nitrate (CAN) is __________ percent?
__________ is required more for leafy crops?
Catalyst used in the manufacture of NH3 by Haber’s process is finely divided__________?
A fertiliser contains 82% N2. It could be__________?
P2O5 percentage in the phosphoric acid produced by wet process is about_________________?
A. 10
B. 30
C. 50
D. 70
Correct Answer:
30
✔
Last Updated:
March 11, 2019