A. Hot air currents
B. folds of filter paper
C. oven
D. Vacuum desiccator
Related Mcqs:
- Safe and the most reliable method of drying crystals is through_________________?
A. Filter paper
B. Vacuum desiccators
C. Oven
D. None of these - The usual property of ionic crystal are:_____________?
A. Stable
B. gaseous form
C. Unstable
D. Compound formingSubmitted by: Said wali shah
- 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 - 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 - A process controlled by Distributive law is__________________?
A. Crystallization
B. Sublimation
C. Solvent extraction
D. Filtration - The percentage of suspended solid waste in raw water is removed by coagulation is__________________?
A. 60
B. 70
C. 80
D. 90 - Major cause of SO2 on global scale is__________________?
A. volcanoes
B. electric sparks
C. combustion
D. all - Density of H2SO4 in lead accumulator is__________________?
A. 1.25g/cm3
B. 1.3g/cm3
C. 1.20g/cm3
D. 1.15g/cm3 - The chemical composition of cinnabar is__________________?
A. ZnS
B. PbS
C. HgS
D. FeS - The most powerful oxidizing agent among the halogens is__________________?
A. F2
B. Cl2
C. Br2
D. I2
Advertisement