The percentage of nitrogen in urea is________________?

Related Mcqs:

1. Addition of urea to the soil is ____________ reaction?

   A. endothermic
   B. exothermic
   C. both a and b
   D. no heat energy is involved

2. The cooling of molten urea by air in the tower is called______________________?

   A. prilling
   B. evaporation
   C. condensation
   D. crystallization

3. Which one of the following set of raw material is most suitable for manufacture of urea ?

   A. CH4 N2 and CO2
   B. H2 N2 and CO
   C. H2 CO2 and H2O
   D. H2O N2 and H2

4. Which one of the following statement is correct for urea ?

   A. it is a synthetic fertilizer
   B. it is a natural fertilizer
   C. it provides micronutrients to the plants
   D. it is an inorganic water soluble compound

5. The gas used in manufacturing of urea fertilizer__________________?

   A. C2H6
   B. C2H4
   C. C2H2
   D. CH4

6. Urea as a fertilizer contains:____________?

   A. 57% N
   B. 73% N
   C. 46% N
   D. 53% N

   Submitted by: TAHREEM RAJPOOT

7. Formalin consists of mixture of formaldehyde methyl alcohol and water Percentage of water in it is________________?

   A. 60%
   B. 50%
   C. 52%
   D. 8%

8. Which one of the following fertilizers provides the nitrogen and phosphorus to the plant ?

   A. urea
   B. calcium superphosphate
   C. diammonium phosphate
   D. potassium nitrate

9. Which of the following is incorrect statement about nitrogen importance ?

   A. It enhances plant growth
   B. It is involved in the synthesis of protein and nucleic acids
   C. it accelerates fruits and flowers growth
   D. It is involved in the chlorophyll synthesis

10. Compounds of nitrogen and phosphorus are mostly________________?

    A. ionic
    B. covalent
    C. polar
    D. all varieties are possible