A. Fluorapatite
B. Di-calcium phosphate
C. Mono-calcium phosphate
D. Di-ammonium phosphate
Rock phosphate constitutes mainly of___________________? Read More »
Fertilizer Technology A. Its activity declines rapidly, if heated to above 520°C
B. It decomposes ammonia
C. It gets oxidised above 500°C
D. None of these
Iron is not used alone as a catalyst in ammonia synthesis, because___________________? Read More »
Fertilizer Technology A. Dilute H2SO4
B. Concentrated H2SO4
C. Concentrated NHO3
D. Concentrated HCl
Phosphoric acid is produced in wet process from phosphate rock and____________________? Read More »
Fertilizer Technology A. 10
B. 100
C. 1000
D. 1000
The optimum size of the ammonia plant is ______________ tons/day? Read More »
Fertilizer Technology A. Urea
B. Ammonium nitrate
C. Ammonium sulphate
D. Ammonium chloride
Out of the following, N2 content is minimum in_____________________? Read More »
Fertilizer Technology A. Ammonia
B. Ammonium carbonate
C. Nitric acid
D. None of these
Ammonium sulphate can be produced by reacting gypsum with____________________? Read More »
Fertilizer Technology A. It is hygroscopic and explosive in nature
B. It is highly acidic in nature
C. It is a liquid at room temperature
D. Its nitrogen content is very less
A. Mixed
B. Potassic
C. Liquid
D. Solid
NPK means a ______________ fertiliser? Read More »
Fertilizer Technology A. A mixed fertiliser
B. A straight fertiliser
C. A complex fertiliser
D. Not a fertiliser; it is an explosive
Calcium ammonium nitrate (CAN) is__________________? Read More »
Fertilizer Technology A. Urea
B. Biuret
C. Ammonia water
D. None of these
Dehydration of ammonium carbamate produces__________________? Read More »
Fertilizer Technology