Entry Test MCQ :: Liquids and Solids

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31.

If we provide very high amount of heat to a liquid its boiling point will

A.	increase	B.	remains constant
C.	decrease	D.	there will be no boiling

32.

Crystallites are present in

A.	crystalline solids	B.	amorphous solids
C.	liquid crystals	D.	all of the above

33.

A solid may be made up of

A.	Atoms	B.	Ions
C.	Molecules	D.	a b and c

34.

A malleable solid is one which can be

A.	Converted into wires	B.	Converted into thin sheets
C.	Melted easily	D.	All of the above

35.

Amorphous substances posses

A.	No definite geometry	B.	No definite heat of fusion
C.	No sharp melting points	D.	All of the above

36.

Crystalline solids can be identified easily from their

A.	Sharp melting point	B.	Definite geometry
C.	Transition temperature	D.	Colour

37.

Boiling points of hydrocarbons increase with the increase in number of carbon atoms. It is mainly due to

A.	More strength of H-bonding	B.	More strength of London forces
C.	Less polarizability	D.	All of the above

38.

Ice is ___________ crystal

A.	Metallic	B.	Molecular
C.	Covalent	D.	Ionic

39.

Select a pair of compounds which are isomorphic in nature.

A.	NaCI and KNO3	B.	MgO and NaF
C.	KNO3 and MgO	D.	NaF and CaCO3

40.

The viscosity of solids is

A.	Infinite	B.	Negligible
C.	Medium	D.	No concept of viscosity in solid