Phosphorus is a Greek word and it means_________________?

Related Mcqs:

1. Compounds of nitrogen and phosphorus are mostly________________?

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

2. Allotropic form of phosphorus that is poisonous is___________________?

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

3. Which of the following does not contain phosphorus ?

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

4. The most reactive allotropic form of phosphorus is________________?

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

5. 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

6. 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

7. Phosphorus helps in the growth of_________________?

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

8. The Latin word formica means ant. The name formic acid is derived from this Latin word because__________?

   A. this acid, in ancient times, was used to eliminate ant-hills
   B. this corrosive acid is secreted by ants to drive away their enemies
   C. this acid was first obtained by the distillation of ants
   D. ants are attracted by the odour of this acid

   Submitted by: Muhammad Ali Kunbhar

9. The word Alkali means__________________?

   A. Base
   B. Basic salt
   C. Ashes
   D. Spirit

10. The chemical composition of cinnabar is__________________?

    A. ZnS
    B. PbS
    C. HgS
    D. FeS