Na2CO3 salts is___________________?

Related Mcqs:

1. Cyclic salts are mostly of ______________________?

   A. SO4
   B. HCO₃
   C. Cl^–
   D. None of the above

2. Accumulation of soluble salts root zone is known as____________________?

   A. Desodication
   B. Sodication
   C. Degradation
   D. Salininzation

3. Accumulation of soluble salts in soil________?

   A. Alkalization
   B. Desalinization
   C. Salinization
   D. All off these

   Submitted by: Hakeem Taj Shapuki

4. The lands which are rich in soluble salts and exchangeable sodium:

   A. Saline soil
   B. Saline-Alkaline
   C. Alkaline
   D. None of the above

   Submitted by: Shafiq Rehman

5. Size of clay particle is___________________?

   A. 0.02mm
   B. 0.2mm
   C. 0.002mm
   D. 2mm

6. Gold is___________________?

   A. Native element
   B. Secondary element
   C. Primary element
   D. Heavy metal

7. The available form of sulphur for plant is___________________?

   A. S2
   B. SO-2
   C. SO3
   D. SO2

8. The exact chemical formula of DAP fertilizer is___________________?

   A. (NH2) HPO4
   B. NH4H2PO4
   C. NH4H2PO4
   D. Both a & c

9. Percentage of N in Ammonium ritract fertilizer is___________________?

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

10. The exact formula for sodium hexametaphosphate is___________________?

    A. [(NaPO6)13]
    B. [(NaPO3)13]
    C. [(NaPO2)6]
    D. None of the above