The unit of molality is__________________?
The unit of molality is__________________?
A. moles dm-3
B. moles kg-1
C. gram dm-3
D. none
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Without suction pump filtration is __________________?
Without suction pump filtration is __________________?A. Fast process
B. Slow process
C. Rapid process
D. All are possibleThe Chemical Formula of Sand is___________?
The Chemical Formula of Sand is___________?A. Si2O3
B. SiO2
C. Al2O3
D. Sr2OThe chemical compound silicon dioxide, also known as silica (from the Latin silex), is an oxide of silicon with a chemical formula of SiO2 and has been known for its hardness since antiquity. Silica is most commonly found in nature as sand or quartz, as well as in the cell walls of diatoms.
Centrifugal forces are balanced in atom by__________________?
Centrifugal forces are balanced in atom by__________________?A. Attractive forces
B. Repulsive force
C. Electrons
D. NeutronsRadiations are absorbed in_______________?
Radiations are absorbed in_______________?A. Spectrophotometer method
B. Dilatometric method
C. Optical relation method
D. Refractometric methodThe process of polymerization was classified by___________________?
The process of polymerization was classified by___________________?A. Strecker
B. Sabatier
C. Runge
D. W. H. CarothersFor determining the order of reaction we use__________________?
For determining the order of reaction we use__________________?A. Refractometric method
B. Dilatometric method
C. Optical activity method
D. Half life method