A. Hydrogen peroxide, air and water
B. Anhydrous ammonia and air
C. Anhydrous ammonia, air and water
D. Wet ammonia, air and water
A. Hold back stem growth and halt plants at a desired height
B. Cause early maturation of plants
C. Accelerate ripening of food and grain
D. Produce seedless fruit
A. Urea
B. Ammonium nitrate
C. Calcium ammonium nitrate (CAN)
D. Ammonium sulphate
A. 10
B. 46
C. 80
D. 94
A. Increases
B. Decreases
C. Remains unaltered
D. Can either increase or decrease depends on biuret content
A. Oxidation of ammonia
B. CaNO3 + H2SO4 reaction
C. Passing air through high voltage electric arc
D. None of these
A. Low pressure
B. High pressure
C. Very high temperature
D. Atmospheric pressure; as the pressure has no effect on conversion
A. Ammonium phosphate
B. Superphosphate
C. Triple superphosphate
D. None of these
A. 5, 10, 5% respectively of N2, P2O5 and K2O
B. Only 5 to 10% active fertiliser constituents
A. Pyro
B. Ortho
C. Meta
D. None of these