A. Calcium sulphate
B. Calcium phosphate
C. Calcium carbonate
D. Sodium phosphate
Related Mcqs:
- Fertiliser produced during soda ash manufacture by dual process is ammonium______________________?
A. Chloride
B. Sulphate
C. Nitrate
D. None of these - Reaction of ortho-phosphoric acid with soda ash produces______________?
A. Sodium Tributyl phosphate (STPP)
B. Tricresyl phosphate
C. Tributyl phosphate
D. Nitrophosphate - Which of the following is not a measure component necessarily to be present in fertilisers ?
A. Nitrogen
B. Potassium
C. Phosphorous
D. Sulphur - The main constituent of rock phosphate is _____________________?
A. Mono-calcium phosphate
B. Di-calcium phosphate
C. Fluorspar
D. None of these - Main constituent of phosphate rock is_____________________?
A. Ammonium phosphate
B. Flour apatite
C. Calcium fluoride
D. Calcium phosphate - Reaction of ortho-phosphoric acid with phosphate rock produces _________________?
A. Superphosphate
B. Triple superphosphate
C. Meta-phosphoric acid
D. Monoammonium phosphate - Raw materials for urea production are _________________?
A. CO2 and N2
B. CO2, H2 and N2
C. NH3 and CO
D. HNO3 and CaCO3 - A Potassic fertiliser contains 50% K2O. It could be _________________?
A. Potassium sulphate
B. Potassium chloride
C. A mixture of NaCl + KCl
D. None of these - CO2 present in reformed gas (obtained by steam reforming of naphtha) is removed by absorbing in _________________?
A. Mono-ethanolamine (MEA)
B. Slaked lime
C. Ammoniacal liquor
D. Methyl-Ethyl Ketone (MEK) - Ammonia synthesis gas is produced from fuel oil by _________________?
A. Steam reforming
B. Hydro-cracking
C. Partial oxidation
D. Hydrogenation
