A. concentrated
B. dilute
C. saturated solution
D. all of the above
Solutions
ppm means________________?
A. parts of solute in 1000 parts of solvent
B. parts of solvent in 1000 parts of solute
C. parts of solute in one million parts of solution
D. parts of solvent in one million parts of solute
Hydration is a process in which_________________?
A. Molecules are surrounded by solvent molecules
B. Ions are surrounded by solvent molecules
C. Both ions and molecules are surrounded by solvent molecules
D. Both ions and molecules are surrounded by water molecules
Beckmanns apparatus is used to measure_______________?
A. boiling point elevation
B. depression in freezing point
C. lowering of vapour pressure
D. lowering of osmotic pressure
The determination of correct molecular weight from Raoults law is applicable to_________________?
A. a volatile solute in dilute solution
B. a non-electrolyte & non volatile solute in concentrated solution
C. a non-electrolyte & non volatile solute in concentrated solute
D. non volatile solute in a dilute solution
Concentration of solute molecule when they are in equilibrium with solid substance at particular temperature is called________________?
A. saturated solution
B. solubility
C. unsaturated solution
D. super saturated solution
The solution which distils over with change in composition________________?
A. ideal solution
B. zeotropic solution
C. azeotropic solution
D. non-ideal solution
If the volume of solution is equal to sum of volumes of its all components then the solution_____________?
A. will be an ideal solution
B. will be non-ideal solution
C. will show deviations from Raoults law
D. both b & c
58.5g of of NaCl per 1 dm3 of solution of NaCl in water the concentration of solution will be___________________?
A. 0.1 M
B. 1 m
C. 1 M
D. 0.1 N
10ml of alcohol dissolve in 90ml of water unit of concentration used is________________?
A. % w/w
B. % w/v
C. % v/v
D. % v/w