A safe and more reliable method for drying the crystal is__________________?

Related Mcqs:

1. Safe and the most reliable method of drying crystals is through_________________?

   A. Filter paper
   B. Vacuum desiccators
   C. Oven
   D. None of these

2. The usual property of ionic crystal are:_____________?

   A. Stable
   B. gaseous form
   C. Unstable
   D. Compound forming 

   Submitted by: Said wali shah

3. Solubility product of AgCl is 2.0 x 10-10 mol2 dm-6. Maximum Concentration of Ag+1 ions in the solution is__________________?

   A. 2.0 x 10-10 mol dm-3
   B. 1.414 x 10-5 mol dm-3
   C. 1.0 x 10-10 mol dm-3
   D. 1.0 x 10-5 mol dm-3

4. A solution has pH = 0 its H+ ion concentration is__________________?

   A. 1 x 10-1
   B. 1 x 10-14
   C. 1 x 10-7
   D. 1

5. A process controlled by Distributive law is__________________?

   A. Crystallization
   B. Sublimation
   C. Solvent extraction
   D. Filtration

6. The percentage of suspended solid waste in raw water is removed by coagulation is__________________?

   A. 60
   B. 70
   C. 80
   D. 90

7. Major cause of SO2 on global scale is__________________?

   A. volcanoes
   B. electric sparks
   C. combustion
   D. all

8. Density of H2SO4 in lead accumulator is__________________?

   A. 1.25g/cm3
   B. 1.3g/cm3
   C. 1.20g/cm3
   D. 1.15g/cm3

9. The chemical composition of cinnabar is__________________?

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

10. The most powerful oxidizing agent among the halogens is__________________?

    A. F2
    B. Cl2
    C. Br2
    D. I2