Fertilizer Technology Questions And Answers.

1.Raw materials for nitric acid manufacture are____?
A. Hydrogen peroxide, air and water
B. Anhydrous ammonia and air
C. Anhydrous ammonia, air and water
D. Wet ammonia, air and water

2.Plant tranquillisers____?
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

3.Nitrogen content of a nitrogenous fertiliser is 35%. It could be?
A. Urea
B. Ammonium nitrate
C. Calcium ammonium nitrate (CAN)
D. Ammonium sulphate

4.Nitrogen content of urea is about _______ percent ?
A. 10
B. 46
C. 80
D. 94

5.With increases in pressure, the conversion of Ammonium carbamate into urea?
A. Increases
B. Decreases
C. Remains unaltered
D. Can either increase or decrease depends on biuret content