Entry Test MCQ :: Experimental Techniques

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31.

Repeated extraction using small portions of solvents is more

A.	Reliable	B.	Efficient
C.	Rapid	D.	slow

32.

Silica gel and alumina are used as

A.	Mobile phase	B.	Stationary phase
C.	Mixed phase	D.	Single phase

33.

Shaking two immiscible liquids increases

A.	Length of contact	B.	Volume of contact
C.	Area of contact	D.	all of above

34.

The solvent or mixture of solvents used for separation of compounds is called

A.	Stationary phase	B.	Mobile phase
C.	Dynamic phase	D.	Static phase

35.

Which is not a sublime material

A.	Iodine	B.	Benzoic acid
C.	Ammonium chloride	D.	Potash alum

36.

Sintered glass is a porous material used for

A.	absorption	B.	adsorption
C.	filtration	D.	sublimation

37.

Selection of filter paper depends on size of particles to be

A.	filtered	B.	dried
C.	decolorized	D.	decanted

38.

The solution remaining after the formation of crystals is called

A.	Mother liquor	B.	Dilute solution
C.	Residue	D.	both a & b

39.

Which is not related pair of term used in analytical techniques

A.	Filtrate residue	B.	Sublimate sublimation
C.	Drying desiccator	D.	Separating funnel mother liquor

40.

The major steps involved in complete quantitative analysis are

A.	2	B.	3
C.	4	D.	5