Entry Test MCQ :: Solutions

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21.

Mixtures which distill over without change in composition called

A.	zeotropic mixture	B.	azeotropic mixture
C.	amphoteric mixture	D.	ideal solution

22.

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

23.

Solubility of KCIO3 gives

A.	continuous and falling solubility curve	B.	discontinuous and falling solubility curve
C.	continuous and rising solubility curve	D.	discontinuous and rising solubility curve

24.

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

25.

Boiling point elevations can be measured by

A.	Beckmanns method	B.	Landsbergers method
C.	Linds method	D.	none of the above

26.

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

27.

Water molecules surrounds more around

A.	ve ion	B.	complex ion
C.	?ve ion	D.	neutral atom

28.

The compounds in which water molecules are added are called

A.	Hydrated ions	B.	double salts
C.	hydrates	D.	complexes

29.

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

30.

Solution of Na2SO4 will be

A.	basic	B.	acidic
C.	neutral	D.	cannot be presicted without data