Compounds of nitrogen and phosphorus are mostly________________?

Related Mcqs:

1. 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

2. 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

3. Presence of nitrogen in organic compounds is tested as__________?

   A. Nitrogen gas
   B. NH3
   C. CN‾
   D. NO

   Submitted by: Muhammad Ali Kunbhar

4. Phosphorus is a Greek word and it means_________________?

   A. Light bearing
   B. Fire
   C. Impure
   D. Tetrahedral

5. Allotropic form of phosphorus that is poisonous is___________________?

   A. White
   B. Red
   C. Black
   D. Violet

6. Which of the following does not contain phosphorus ?

   A. Yolk of egg
   B. Bone
   C. Nerves
   D. Steel

7. The most reactive allotropic form of phosphorus is________________?

   A. White
   B. Redox potential
   C. Black
   D. Violet

8. Phosphorus helps in the growth of_________________?

   A. root
   B. leave
   C. stem
   D. seed

9. Which one of the following compounds usually smells like garlic ?

   A. P2O3
   B. P2O5
   C. H3PO3
   D. All have same smell

10. Which of the following compounds is not soluble in HNO3___?

    A. CuS
    B. CdS
    C. PbS
    D. AgCl

    Submitted by: Muhammad Ali Kunbhar