The solution which distils over with change in composition________________?
A. ideal solution B. zeotropic solution C. azeotropic solution D. non-ideal solution
Chemistry MCQs
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 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
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
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
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
The relative lowering of vapour pressure is directly proportional to molality if the solution is________________?
A. concentrated B. dilute C. saturated solution D. all of the above
If electricity is passed through CuSO4 solution by using Pt electrode then which of the following possible change occurs ?
A. H2 is deposited at cathode B. Colour of the solution becomes fade C. Cu is deposited at anode D. All are possible
Which has maximum oxidation number ?
A. N B. Cr C. S D. Mn
In an electrolytic cell current flows ?
A. From cathode to anode in outer circuit B. From anode to cathode outside the cell C. From cathode to anode inside the cell D. both B & C