The chemical formula of Hematite is_____________________?

Related Mcqs:

1. The chemical formula for Ammonium acctatc is_____________________?

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

2. The exact formula for calculating the base saturation percentage is_____________________?

   A. Bas saturation percentage = CA+Mg+Na / CEC x 100
   B. Bas saturation percentage = /CEC / CA+Mg+Na x 100
   C. Bas saturation percentage = /CEC / CA+Mg x 100
   D. None of the above

3. The chemical formula of urea fertilizer is_______________________?

   A. NH₂CONH₂
   B. [CO(NH₂)]
   C. Both a & b
   D. None of the above

4. C12H12N-NaO8S2 is the chemical formula of ____________________?

   A. Activated charcoal
   B. Azomethine H
   C. Carbonated sodium sulphate
   D. None of the above

5. The exact chemical formula of DAP fertilizer is___________________?

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

6. The chemical formula of Dolomite is________________?

   A. CaMg (CO3)2
   B. MgCO3
   C. CaCO3
   D. None of the above

7. Color of fertile soil is_____________________?

   A. White
   B. Green
   C. Brown
   D. Black

8. The molar mass of NaCl is_____________________?

   A. 56.58
   B. 43.28
   C. 50.58
   D. 58.58

9. The plant in which CO2 fixation is solely via the Calvin cycle is_____________________?

   A. C
   B. CAB
   C. C
   D. CAM

10. Sugar cane is_____________________?

    A. C3 plant
    B. C4 plant
    C. C2 plant
    D. None of the above