506 + Mcqs in Friction in solids and liquids McqOptions

1.	Turbid phase of cholesteryl benzoate is called
A.	liquid crystal
B.	solid crystal
C.	milky liquid
D.	cloudy liquid
Answer» B. solid crystal

Discussion

2.	In symmetry faces angles and edges of a crystal are
A.	changed
B.	turned
C.	repeated
D.	no effect
Answer» D. no effect

Discussion

3.	Molecular solids are easily
A.	aligned
B.	teared
C.	stretched
D.	compressed
Answer» E.

Discussion

4.	Third angle in hexagonal system of crystals make angle of
A.	60 degree
B.	50 degree
C.	90 degree
D.	30 degree
Answer» D. 30 degree

Discussion

5.	Nematic is a type of liquid crystal which is based upon
A.	ordering
B.	molecules
C.	surface area
D.	surface tension
Answer» B. molecules

Discussion

6.	Number of electrons present in sodium ions is
A.	3
B.	10
C.	5
D.	7
Answer» C. 5

Discussion

7.	Separate layers of covalent bonds are present in
A.	boron carbide
B.	graphite
C.	cadmium sulphide
D.	aluminium nitride
Answer» C. cadmium sulphide

Discussion

8.	Veins can be located by use of
A.	liquid crystals
B.	solid crystals
C.	gas crystals
D.	atomic crystals
Answer» B. solid crystals

Discussion

9.	15.1kJ/mole is value of enthalpy change for
A.	methane
B.	ethane
C.	propane
D.	pentane
Answer» C. propane

Discussion

10.	Example of compound having hydrogen bonding is
A.	Chlorine gas
B.	neon
C.	sodium chloride
D.	water
Answer» E.

Discussion

11.	Another name used for electrostatic forces is
A.	ionic bonds
B.	covalent bonds
C.	metallic bonds
D.	molecular bond
Answer» B. covalent bonds

Discussion

12.	Crystals which are formed by zinc oxide are
A.	cubic
B.	monoclinic
C.	orthorhombic
D.	hexagonal
Answer» E.

Discussion

13.	In pressure cooker water absorbs
A.	food
B.	potential energy
C.	heat
D.	molecule
Answer» D. molecule

Discussion

14.	Lattice energy of NaCl is
A.	600 kilo joule per mole
B.	787 kilo joule per mole
C.	900 kilojoule per mole
D.	500 kilo joule per ,ole
Answer» C. 900 kilojoule per mole

Discussion

15.	Metallic theory was proposed in year
A.	1978
B.	1900
C.	1987
D.	1923
Answer» E.

Discussion

16.	belonging of valence electrons in a crystal in metallic bond, is to
A.	ionic bond
B.	atomic solids
C.	whole crystal
D.	atom
Answer» D. atom

Discussion

17.	Murree hills will make water boil at
A.	98 degree Celsius
B.	79 degree Celsius
C.	60 degree Celsius
D.	40 degree Celsius
Answer» B. 79 degree Celsius

Discussion

18.	Expression for enthalpy changes is usually in
A.	per mole
B.	per unit volume
C.	per unit pressure
D.	all of these
Answer» B. per unit volume

Discussion

19.	Form of carbon Diamond is
A.	very reactive
B.	very less reactive
C.	moderately reactive
D.	reactive occasionally
Answer» C. moderately reactive

Discussion

20.	Very close packing of molecules is a characteristic of
A.	liquid
B.	solid
C.	gases
D.	plasma
Answer» B. solid

Discussion

21.	Angle in unit cell which occurs between sides 'a' and 'c' are called
A.	alpha
B.	beta
C.	gamma
D.	eeta
Answer» C. gamma

Discussion

22.	Example of orthorhombic crystals is
A.	iron
B.	copper
C.	iodine
D.	sodium chloride
Answer» D. sodium chloride

Discussion

23.	Boric acid has usually crystal shape, that is
A.	triclinic
B.	cubic
C.	orthorhombic
D.	trigonal
Answer» B. cubic

Discussion

24.	Well arrangement of molecules is a property of
A.	liquids
B.	plasma
C.	gases
D.	solids
Answer» E.

Discussion

25.	Side of manometer in which mercury rises, faces the
A.	liquid
B.	atmosphere
C.	container
D.	gas
Answer» C. container

Discussion

26.	As compare to metallic and ionic crystals bonding in covalent crystals is
A.	loose
B.	strong
C.	compact
D.	polar
Answer» B. strong

Discussion

27.	Rhombohedral and orthorhombic crystalline forms are characteristic of
A.	sodium chloride
B.	silver nitrate
C.	glucose
D.	Sulphur
Answer» C. glucose

Discussion

28.	When solid is changed to liquid changes in intermolecular distances is
A.	small
B.	very large
C.	large
D.	no change
Answer» B. very large

Discussion

29.	To calculate one gram mole volume of a solid we should know
A.	density
B.	shape
C.	size
D.	color
Answer» B. shape

Discussion

30.	Liquids crystals are used in display of
A.	lamp
B.	laptops
C.	mouse
D.	speakers
Answer» C. mouse

Discussion

31.	Sodium carbonate exists in two forms at a temperature of
A.	32.92 degree Celsius
B.	60 degree Celsius
C.	89 degree Celsius
D.	50 degree Celsius
Answer» B. 60 degree Celsius

Discussion

32.	Vacuum distillation is efficient because it uses
A.	more time
B.	less time
C.	energy
D.	heat
Answer» C. energy

Discussion

33.	Between lengths 'a' and 'b' of unit cell angle which exists is
A.	alpha
B.	beta
C.	gamma
D.	eeta
Answer» B. beta

Discussion

34.	Form of carbon which exists in cubic form is
A.	graphite
B.	diamond
C.	bucky ball
D.	coal
Answer» C. bucky ball

Discussion

35.	At transition temperature two crystalline forms exist in
A.	excess
B.	low quantity
C.	equilibrium
D.	molten state
Answer» D. molten state

Discussion

36.	Orderly arrangement for crystalline solids is different in different directions ,it effect
A.	physical properties
B.	anisotropic properties
C.	density
D.	volume
Answer» C. density

Discussion

37.	When we measure molar heat of fusion is measured at
A.	1 atmosphere
B.	8 atmosphere
C.	5 atmosphere
D.	3 atmosphere
Answer» B. 8 atmosphere

Discussion

38.	Compound which has existence in more than 1 crystalline form is
A.	isomorphic
B.	symmetric
C.	polymorphic
D.	cubic
Answer» D. cubic

Discussion

39.	Turbid liquid phases have property to move as
A.	gases
B.	liquids
C.	sticky substances
D.	honey
Answer» C. sticky substances

Discussion

40.	A liquid can be boiled at any temperature when we change
A.	container
B.	external pressure
C.	internal pressure
D.	surface area
Answer» C. internal pressure

Discussion

41.	Ionic solids at room temperature usually exist in
A.	amorphous form
B.	crystalline form
C.	powdered form
D.	liquid form
Answer» C. powdered form

Discussion

42.	One form of a crystalline solid can be changed into another form at
A.	low temperature
B.	high temperature
C.	critical temperature
D.	transition temperature
Answer» E.

Discussion

43.	Temperature in degree centigrade at which Fluorine boils is
A.	−188.1
B.	186
C.	189
D.	−200
Answer» B. 186

Discussion

44.	The shape of the complex with six ligands attached is
A.	tetrahedral
B.	octahedral
C.	hexane
D.	tetrahedron
Answer» C. hexane

Discussion

45.	The pressure which is being exerted by vapor in equilibrium state is known as
A.	vapor pressure
B.	equilibrium
C.	endothermic
D.	exothermic
Answer» B. equilibrium

Discussion

46.	When the movement of water molecules in liquid becomes equal to the molecules in vapor form, a state is called
A.	equilibrium
B.	constant
C.	ideal
D.	non-ideal
Answer» B. constant

Discussion

47.	In hydrogen bonding hydrogen may be bonded with
A.	Nitrogen
B.	sulphur
C.	sodium
D.	calcium
Answer» B. sulphur

Discussion

48.	Lengths in which unit cell usually grows are
A.	two
B.	three
C.	four
D.	five
Answer» C. four

Discussion

49.	Zinc sulphate usually forms isomorph with
A.	nickel sulphate
B.	sodium nitrite
C.	sugar
D.	salt
Answer» B. sodium nitrite

Discussion

50.	Amorphous solids include
A.	diamond
B.	rubber
C.	wood
D.	metals
Answer» C. wood

Discussion

Explore topic-wise MCQs in Testing Subject.

Turbid phase of cholesteryl benzoate is called

In symmetry faces angles and edges of a crystal are

Molecular solids are easily

Third angle in hexagonal system of crystals make angle of

Nematic is a type of liquid crystal which is based upon

Number of electrons present in sodium ions is

Separate layers of covalent bonds are present in

Veins can be located by use of

15.1kJ/mole is value of enthalpy change for

Example of compound having hydrogen bonding is

Another name used for electrostatic forces is

Crystals which are formed by zinc oxide are

In pressure cooker water absorbs

Lattice energy of NaCl is

Metallic theory was proposed in year

belonging of valence electrons in a crystal in metallic bond, is to

Murree hills will make water boil at

Expression for enthalpy changes is usually in

Form of carbon Diamond is

Very close packing of molecules is a characteristic of

Angle in unit cell which occurs between sides 'a' and 'c' are called

Example of orthorhombic crystals is

Boric acid has usually crystal shape, that is

Well arrangement of molecules is a property of

Side of manometer in which mercury rises, faces the

As compare to metallic and ionic crystals bonding in covalent crystals is

Rhombohedral and orthorhombic crystalline forms are characteristic of

When solid is changed to liquid changes in intermolecular distances is

To calculate one gram mole volume of a solid we should know

Liquids crystals are used in display of

Sodium carbonate exists in two forms at a temperature of

Vacuum distillation is efficient because it uses

Between lengths 'a' and 'b' of unit cell angle which exists is

Form of carbon which exists in cubic form is

At transition temperature two crystalline forms exist in

Orderly arrangement for crystalline solids is different in different directions ,it effect

When we measure molar heat of fusion is measured at

Compound which has existence in more than 1 crystalline form is

Turbid liquid phases have property to move as

A liquid can be boiled at any temperature when we change

Ionic solids at room temperature usually exist in

One form of a crystalline solid can be changed into another form at

Temperature in degree centigrade at which Fluorine boils is

The shape of the complex with six ligands attached is

The pressure which is being exerted by vapor in equilibrium state is known as

When the movement of water molecules in liquid becomes equal to the molecules in vapor form, a state is called

In hydrogen bonding hydrogen may be bonded with

Lengths in which unit cell usually grows are

Zinc sulphate usually forms isomorph with

Amorphous solids include