Everyday Science Mcqs » Everyday Science MCQs
The solution which distils over with change in composition________________?

A. Ideal solution
B. Zeotropic solution
C. Azeotropic solution
D. Non-ideal 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

Water of crystallization can be removed by________________?

A. Drying
B. Heating
C. Evaporation
D. All of the above

The molal boiling point constant is the ration of the elevation of boiling point to____________________?

A. Molarity
B. Molality
C. More fraction of solvent
D. Mole fraction of solute