In cation exchange, 18 mg of Ammonium ion can be exchanged for__________?

Related Mcqs:

1. An ion or molecule in the coordination sphere central ion is called__________________?

   A. Complexion
   B. Ligand
   C. Chelate
   D. Potential

2. The highest Cation Exchange Capacity is in:_________?

   A. Sandy Soil
   B. Clay soil 
   C. Gravely soil
   D. Both A & C

   Submitted by: Shafiq Rehman

3. When two or more functional groups of single ligand are coordinated to metal cation the complex is termed as___________________?

   A. Chelate
   B. Solution complex
   C. Complex ion
   D. All the above

4. The time for which water and ion remains in vicinity is called_____________________?

   A. Primary hydration
   B. ppm
   C. Normality
   D. Residence time

5. Percentage of N in Ammonium sulphate fertilizer is___________________?

   A. 23
   B. 35
   C. 45
   D. 21

6. Percentage of N in Ammonium ritract fertilizer is___________________?

   A. 21
   B. 23
   C. 33
   D. 39

7. The chemical formula for Ammonium acctatc is_____________________?

   A. NH3OAC
   B. NH4OAC
   C. NH4AOC
   D. Both b & c

8. Ammonium sulfate fertilizer containing 21% N & 24% S, is best in top dressing in:_________?

   A. Barley
   B. Rice
   C. Date palm
   D. None of these

   Submitted by: Shafiq Rehman

9. Being a soil scientist, do you know which is the popular book of soil science of Nyle.C.brady, 14th edition available in markets:

   A. Fundamentals of soil
   B. Essenttials of soil sciences
   C. The nature and properties of soil
   D. The mechanics of soil

   Submitted by: Shafiq Rehman

10. Which of the following statement is wrong regarding, Soil ____________?

    A. Regulates water supply & recycles waste materials
    B. Medium for plant growth & Habitat for organisms
    C. Engineering medium & modifies the atmosphere
    D. Dirt which is threat to all living life & crop production 

    Submitted by: Shafiq Rehman