Home/MDCAT/MDCAT Chemistry Liquids and Solids Test Online

MDCAT Chemistry Liquids and Solids Test Online

Malik TahirLast Updated: May 24, 2025

Chemistry Solids MCQS Online Test

MDCAT Chemistry Solids Chapter Online Test

Total Questions:	150
Time Allowed:	60 Minutes
Total Marks:	150
How to Attempt Test:	Please choose the right Option in MCQ-type question.
Test Helpful For:	MDCAT Entry Test Chemistry Online Test Interview Questions about Chemisttry All Universities Entrance Test Recruitments Tests

MDCAT Chemistry Solids Test

Please wait...

Page 1 of 6

Chemistry

1. Which of the following substance is amorphous in nature?

Kcl

Sugar

Plastic

Graphite

2. The reaction 4NH₃ + 3O₂ → 2N₂ + 6H₂O indicates that

One mole of NH₃ will produce ½ mole of N₂

For the complete reaction of 2 moles of NH₃ 40g of O₂ are required

One mole of NH₃ will produce 6 moles of N₂

For the complete reaction of 2 mole of NH₃ 20g of O₂ are required

3. For c coordination number of four, anion sits at the center of ________ where corners are occupied by cations

Tetrahedron

Triangle

Octahedron

Cube

4. Crystalline solids can be identified easily from their

Definite geometry

Transition temperature

Colour

Sharp melting point

5. Air at sea level is dense. This is a practical application of

Dalton’s law

Boyle’s law

Charles’ law

Avogadro’s law

6. 3.2 g of oxygen (At. Wt. = 16) and 0.2 g of hydrogen (At. Wt. = 1) are placed in a 1.12 L flask at 0°C. The total pressure of the gas mixture will be

2 atm

4 atm

3 atm

1 atm

7. Which of the following equations represents the 2nd ionization energy of Na?

Na(s) → N²⁺ (g) + 2e¯

Na(s) → N²⁺ (g) + e¯

Na(g) → N²⁺ (g) + +¯

Na(g) → N²⁺ (g) + e¯

8. In which of the following compounds H – bonding is not present?

Ammonia

Water

Ethanol

Ether

9. Isomorphic substance have

Different physical and chemical properties

Same physical and chemical properties

Different physical and same chemical properties

Same physical and difference chemical properties

10. When one of the following statements is wrong for gases?

Gases do not have a definite shape and volume

Confined gas exerts uniform pressure on the walls of its container in all directions

Volume of the gas is equal to volume of container confining the gas

Mass of gas cannot be determined by weighing a container in which it is enclosed

11. A solid may be made up of

Molecules

Ions

A, B and C

Atoms

12. Imagine a man is sitting in a room. The room is closed from all sides, no entry, no exit of any gas. If the room expands suddenly then

He will feel warmth

He will feel cool

There will be no change in the internal environment of the room

His blood pressure will increase

13. In which one of the following does the central atom not possess an ‘octet’ in its outer shell?

NH₃

BH₃

CH₄

H₂O

14. 50dm³ of CO is burnt completely according to reaction 2CO + O₂ – 2CO₂ Choose the correct statement

Volume of CO₂ formed is 60 dm³

Volume of O₂ required is 25 dm³

Volume of O₂ required is 50 dm³

Volume of CO₂ formed is 25 dm³

15. Amorphous substances possess

Sharp melting points

No definite heat of fusion

Definite heat of fusion

Sharp B.P.

16. Which of the following does not represent a type of crystal system?

Monoclinic

Rhombohedral

Triclinic

Isotropical

17. A malleable solid is one which can be

All of these

Converted into sheets

Melted easily

Converted into wires

18. Which of the following is isotropic

Mercury

Brass

Borax

Graphite

19. Which solids are called true solids?

Metallic

Amorphous

Crystalline

Vitreous

20. Which is trigonal crystal?

CaSO₄.2H₂O

All

NaNO₃

MgSO₄

21. The major binding force of diamond, silicon and quartz is

Electrical attraction

Non covalent bond force

Electrostatic force

Covalent bond

22. The surface formed by the breakage of a crystal is called _________ plane.

Cleavage

Unit

None

Crystal

23. The material possessing superconducting properties is

Y B₂Cu₃O₇

Hg Be₂Ca₂Cu₂O₈

Yb Ba₂Cu₂O₈

Y Ba₂Cu₃O₇

24. The example of hexagonal system is

Sulphur

Graphite

Sugar

Diamond

25. What is the pressure of 2 mole of NH₃ at 27°C when its volume is 5 lit in Van der Waals equation? (a = 0.17, b = 0.03711)

9.74 atm

9.333 atm

9.2 atm

10.33 atm

Page 2 of 6

26. Crystalline solids can be identified easily by their

Definite geometry

Transition temperature

All of these

Sharp m.P

27. Amorphous substance posses

All of these

No definite heat of fusion

No sharp melting points

No definite geometry

28. Distribution law is employed in which one of the following

Crystallization

Solvent extraction

Chromatography

All

29. In a crystal a ≠ b ≠ c, a = ϒ = 90° and β ≠ 90°. It is

Rhombic

Trigonal

Monoclinic

Tetragonal

30. Which of the following contain maximum number of atoms?

6 moles of S

44.8 dm3 CO₂ at S.T.P

5.0 moles of SO₂

20 moles of S8

31. Graphite is a good conductor of electricity due to the presence of ________.

Ione pair of electrons

Anions

Cations

Free valence electrons

32. A semiconductor of Ge can be made p-type by adding

Pentavalent impurity

Divalent impurity

Trivalent impurity

Tetravalent

33. 4.4 g of CO₂ contains how many liters of CO₂ at STP?

22.4 liter

2.24 liter

44 liter

2.4 liter

34. Which of the following substances is not amorphous?

Rubber

Ag NO₃

Glass

Polymer

35. Gases deviate from ideal behavior at high pressure. Which of the following is correct for non – ideality?

At high pressure, the collisions between the gas molecules are increased manifold

At high pressure, the gas molecules move in one direction only

A high pressure, the volume of the gas becomes insignificant

At high pressure, the intermolecular attraction becomes significant

36. A solution of 10 mL of M/10 FeSO₄ was titrated with KMnO₄ solution in acidic medium, the amount of KMnO₄ used will be

10 mL of 0.02 M

5 mL of 0.1 M

10 mL of 0.1 M

10 mL of 0.5 M

37. Solvent extraction is mostly applied to separate

Both A and B

Inorganic compounds

Organic compounds

None of these

38. The following statements contained in a student’s laboratory report is a conclusion

Colour of the gas is greenish yellow

Oxide of the gas is strongly acidic

A gas is liberated

The gas is chlorine

39. Consider the physical properties of the gases. Which of the following statements about particles of gasses is incorrect? The particles are

Causing pressure

Orderly arranged

Randomly moving

Having wide spaces

40. Current strength measure by electrometer by each type of ions in mass spectrometry shows?

Relative abundance

Mass

Number of isotopes

Charge

41. The vapour density of a gas is 11.2. The volume occupied by 11.2 g of this gas at N.T.P. is

22.4 liters

1 liter

11.2 liters

2.24 liters

42. What will be the external pressure at which water may boil at 120°C?

790 mm of Hg

700 mm of Hg

1489 mm of Hg

100 mm of Hg

43. The molecules of air don’t settle down. The is due to

Pressure of dust particles in air

Non-polar nature of gases

Different molar mass

Elastic collisions of gas molecules

44. Which one is not postulated in the kinetic molecular theory among the followings?

Molecules of all the gases have same size and same mass

All molecular collisions are elastic

The volume of the molecules is negligible as compared to volume occupied by the gas

Molecules are in chaotic motion

45. Poor conductors of electricity is a characteristic of

Ionic compounds

Diatic bonds

Metallic compounds

Covalent compounds

46. Crystal can be classified in to _______ basic crystal habits

47. Which of the following statements about graphite is not true?

The carbon atoms are arranged layers

The layers in graphite are attracted to each other by weak forces

The coordination number of carbon atoms is 4

The carbon atoms use only three of their four outer electrons for covalent bonding

48. In diamond, the carbon atoms are arranged in a

Hexagonal manner

Altahydral manner

Tetrahedral manner

Square planner manner

49. Formation of a cation is?

Reduction

None

Oxidation

Redox

50. The increasing vapour caused by heating a liquid is due to

Increase in potential energy of molecules

Increase of intermolecular interactions

Increase of K.E of molecules

Decrease of surface tension

Page 3 of 6

51. A bottle of copper (II) oxide has been contaminated with some solid, NaCl, How can NaCl be removed from the Copper (II) oxide?

Heat the mixture and allow it to cool

Place the mixture in a separating funnel

Add water to the mixture and filter

Add dilute acid to the mixture and filter

52. Isomorphic substances have

Same physical and different chemical properties

Different physical and same chemical properties

Same physical and chemical properties

Different physical and chemical properties

53. The pure crystalline substance on being heated gradually first forms a turbid liquid at constant temperature and still at higher temperature turbidity completely disappears. The behavior is a characteristic of substance forming

Isomeric crystals

Allotropic crystal

Isomorphous crystals

Liquid Crystals

54. When the temperature is raised, the viscosity of the liquid decreases. This is because of

Increased attraction between the molecules

Increase in temperature increases the average kinetic energy of molecules which overcome the attractive force between them

Decreased covalent and hydrogen bond forces

Decreased volume of the solution

55. Which one of the following pair of atoms is most likely to from an ionic bond?

O and F

N and F

Na and F

C and F

56. The ratio of close packed atoms to tetrahedral holes in cubic close packing is

1 : 2

1 : 3

1 : 1

2 : 1

57. Which of the following is a pseudo solid?

All these

CaF₂

Glass

NaCl

58. Potassium crystallizes with a

Ortho rhombic lattice

Triclinic

Cubic lattice

Orthogonal lattice

59. Which of the following techniques is a type paper chromatography in which solvent is in a pool at the bottom of the vessel?

Ascending paper chromatography

Liquid solid chromatography

Liquid gas chromatography

Descending paper chromatography

60. Which of the following metal oxides is anti-ferromagnetic in nature?

NO₂

CrO₂

TiO₂

MnO₂

61. Super conductors are derived from compounds of

Lanthanides

p-block elements

Transition elements

Actinides

62. Which one is not usually used for the crystallization?

Acetic acid

Acetone

Chloroform

Sulphuric acid

63. Correct order of intermolecular forces

Gas = liquid = solid

Gas < liquid < solid

Liquid < gas < solid

Gas < liquid < solid

64. The total number of lattice arrangements in different crystal system is

8.0

7.0

3.0

65. The phenomenon in which a compound exists in two or more crystalline forms is called

Allotropy

Anisotropy

Isomorphism

Polymorphism

66. The volume occupied by 1.4g of N₂ at S.T.P is

2.24 dm³

1.12 dm³

22.4 dm³

112 cm³

67. An alkaloid contains 17.28% of nitrogen and its molecular mass is 162. The number of nitrogen atoms present in one molecule of alkaloid is:

Four

Three

Five

Two

68. Which of the following pairs do not form a dative covalent bond to each other?

CH₄ and AlCl₃

NH₃ and H⁺

H₂O and H⁺

NH₃ and BF₃

69. The total number of protons in 10 g of calcium carbonate in (N₀ = 6.023 x 10²³)

4.0956 x 10 ²⁴

1.5057 x 10 ²⁴

2.0478 x 10 ²⁴

3.0115 x 10 ²⁴

70. a ≠ b ≠ c, ∞ ≠ β ≠ r ≠ 90 is representation of

Mexagonal

Trigonal

Triclimic

Monoclimic

71. Which forms metallic crystals?

NaCl

SO₂

NH₄Cl

72. The mass of one mole of electron is

1.673 mg

0.55 mg

1.008 mg

0.104 mg

73. What is the relative rate of effusion of CO and CO₂?

CO₂ is 1.25 times faster than CO

Both diffused at the same time

CO is 1.25 times faster than CO₂

CO is 3.75 times faster than CO₂

74. The beaker contains slurry of ice and water, the three thermometers Fahrenheit, Kelvin and centigrade placed in it. The thermometers are represented as A, B and C respectively. On which thermometer the lowest reading will be?

A and C have same reading and are less then B

75. In the equation PV = nRT which one cannot be numerically equal to R

8.31 x 10⁷ dynes Cm K¯¹ mol¯¹

8.31 x 10⁷ erg³ K¯¹ mol¯¹

8.31 L atm K¯¹ mol¯¹

8.31 JK¯¹ mol¯¹

Page 4 of 6

76. The rate of diffusion of a gas is proportional to

None of these

P/√d

P/d

√P/d

77. Amorphous solids

Can possess small regions of orderly arrangement of atoms

Undergo clean cleave when cut with knife

Have sharp melting point

Have perfect arrangement of atoms

78. In crystal structure of sodium chloride, the arrangement of Cl ions is

None of these

Fcc

Bcc

Both fcc and bcc

79. The introduction of Kelvin scale in thermometry is according to

Charles’ law

Dalton’s law

Boyle’s law

Graham’s law

80. The volume in liters of CO₂ liberated at STP when 10 grams of 90% pure limestone is heated completely is

2.016

22.4

2.24

20.16

81. Fluted filter paper is used for

Filtering the hot saturated solution

Increasing the rate of filtration

To avoid premature crystallization of the solute

To dissolve large amount of substance at its boiling point

82. Number of atoms in 558.5 g of Fe (At. Mass of Fe = 55.85 g mole¯¹) is

6.022 x 10²²

558.5 x 6.022 x 10²³

Twice that in 60 g carbon

Half that in 8 g of He

83. The insoluble impurities in the saturated solution are removed by

Normal filter paper

None

Both A & B

Fluted filter paper

84. Bragg’s law is given by equation

2nλ = d sin θ

nλ = 2 d sin θ

nλ = 1/2d sin θ

nλ = 2 θ sin θ

85. Mean distance between atoms in the range of

25 nm

2.5 nm

0.025 nm

0.25 nm

86. If rate of diffusion of A is 5 times that of B, what will be the density ratio of A and B?

1/25

1/5

87. Which of the following statements is (are correct)?

A unit cell of an ionic crystal shares some of its ions with other unit cells.

None of these

A metal that crystallizes in BCC structure has coordination number equal to 12

The coordination number of each type of ion in CsCl crystal is 8.

88. Solvents of covalent compounds include all but

Alcohol

Petrol

Tetra chloromethane

Water

89. Pressure remaining constant at which temperature the volume of a gas will become twice o what it is at 0°C

200 °C

546 °C

0 K

546 K

90. Ice is ________ crystal

Ionic

Metallic

Covalent

Molecular

91. The coordination number 8:8 is found in the arrangement of

ZnS type structure

AB₂ type ionic compound

CsCl type structure

NaCl type structure

92. The top of funnel stem should touch the side of the beaker because

The filtrate is quick

Filtrate runs down without crystals

This gives bigger size crystals

This gives medium size crystals

93. The ratio of most probable velocity to that of average velocity is

π/2

2/√π

√π/2

2/π

94. The deviation of a gas from ideal behavior is maximum at

100°C and 2.0 atm

-10°C and 5.0 atm

0°C and 2.0 atm

-10°C and 2.0 atm

95. The molar volume of CO₂ is maximum at

S.T.P (0°C and 1 atm)

0°C and 2 atm

127°C and 1 atm

273°C and 2 atm

96. In which process solid phase and vapour phase are directly involved?

Vaporization

Condensation

Filtration

Sublimation

97. Ionic solids are characterized by

High vapour pressures

Good conductivity in solid state

Solubility in polar solvents

Low melting points

98. A compound formed by elements X and Y crystallizes in a cubic structure in which the X atoms are at the corners of a cube and the Y atoms are at the face-centered. The formula of the compound is

XT₃

X₃Y

XY₂

99. When the following reaction equations is properly balanced, the number of moles of O₂ will be
C₃H₈ + O₂ → CO₂ + H₂O

3 moles

1.5 moles

10 moles

3.5 moles

100. ‘x’ grams of calcium carbonate was completely burnt in air. The weight of the solid residue formed is 28 g. What is the value of ‘x’ in grams?

150

200

Page 5 of 6

101. The phenomenon in which a single substance exist in two or more crystalline forms is called

Polymorphism

Isomorphism

Anisotropy

Allotropy

102. The existence of a substance in more than one solid modification is known as

Polymorphism

Amorphism

None of these

Isomorphism

103. Coordination number of Zn and ZnS (Zinc blends) is

None of these

104. Which of the following is an example of body centered cube?

Zinc

Sodium

Copper

Magneisum

105. 100 g of CaCO₃ is treated with 1 liter of 1 NHCl. What would be the weight of CO₂ liberated after the completion of the reaction?

11 g

33 g

22 g

5.5 g

106. Which one is not the partial pressure of oxygen in air

159 torr

159 g/m³

159 g/Cm²

159 mm Hg.

107. The relative atomic mass of chlorine is 35.5. What is the m ass of 2 moles of chlorine gas?

142g

35.5g

18.75g

71g

108. Glass is a

Gel

Micro-crystalline solid

None of these

Super-cooled liquid

109. If the four tubes of a car are filled to the same pressure with N₂, O₂, H₂ and helium separately, then which one will be filled first

O₂

N₂

H₂

110. In case of elements the polymorphism is called

Isotopic form

Allotropy

Isomorphism

Crystalline forms

111. Which of the following are more temperature sensitive?

Solid crystals

None of these

Ionic crystals

Liquid crystals

112. The body centered cubic arrangement is found in the crystal of

CuBr

CsBr

NH₄Br

AgBr

113. Which of the following statements about amorphous solids is incorrect?

They are anisotropic

There is no orderly arrangement of particles

They melt over a range of temperature

There are rigid and in-compressible

114. How many Cl¯ ions are there around Na⁺ ion in NaCl crystal?

115. The number of atoms contained in 11.2 L of SO₂ at S.T.P. are

3/2 x 6.02 x 10²³

4 x 6.02 x 10²³

6.02 x 10²³

2 x 6.02 x 10²³

116. Among solids, the highest melting point is exhibited by

Covalent solids

Pseudo solids

Ionic solids

Molecular solids

117. Gooch crucible is used for the filtration of precipitates having

High ignition temperature

Low temperature

High solubility

High concentration

118. Under what conditions real gases deviate from ideal behavior

Low temperature

Both b and c

High pressure

High temperature

119. How many allotropic forms are present in carbon?

Four

Two

Five

Three

120. Which of the following has least mass?

1 mole of S

3 x 10²³ atoms of C

7.0 g of Ag.

2 gram atom of nitrogen

121. In NaCl type structure, the coordination numbers of cation and anions are

6 and 6

6 and 4

8 and 4

4 and 4

122. Which of the following crystal does not possess the cubic closed packed arrangement?

HgS

Agl

Csl

Cul

123. Two moles of an ideal gas at 1 atm are compressed to 2 atm at 273 K. The enthalpy change for the process is

1 liter atm

3 liter atm

2 liter atm

Zero

124. An organic compound contains 49.3% carbon, 6.84% hydrogen and its vapour density is 73. Molecular formula of compound is

C₃H₅O₂

C₆H₁₀O₄

C₄H₁₀O₂

C₃H₁₀O₂

125. Which of the following statement is correct if the intermolecular forces in liquids A, B and C are in the order A < B < C?

B evaporates less readily than C

A and B evaporates at the same rate

A evaporates more readily than C

B evaporates more readily than A

Page 6 of 6

126. The allotropic forms of an element are called

Isoelectronic

Cleavage

Unit Cell

Allotropes

127. The most efficient solvent extraction method is by using

Repeated extraction and small portion of solvent

Single extraction and large portion of solvent

Repeated extraction and large portion of solvent

Single extraction and small portion of solvent

128. In a cubic lattice, a unit cell is shared equally by how many unit cells?

129. Half atmospheric pressure is

8.5 Pounds

400 torr

50 662 Pa

101.325 Pa

130. The kinetic energy of 4 moles of nitrogen gas at 127°C is? cals. (R = 2 cal mol¯¹ K¯¹)

3200

4400

4800

1524

131. To prepare the medium sized crystal the hot filtrate is cooled

None

Slowly

Fast

Moderately

132. Which is distilled first?

Liquid CO₂

Liquid H₂

Liquid O₂

Liquid N₂

133. If we consider that 1/6, in place of 1/12, mass of carbon atom is taken to be the relative atomic mass unit, the mass of one mole of substance will

Remains unchanged

Increase two fold

Be a function of the molecular mass of substance

Decrease twice

134. At STP, a container has 1 mole of Ar, 2 moles of CO₂, 3 moles of O₂ and 4 moles of N₂, Without changing the total pressure if one mole of O₂ is removed, the partial pressure of O₂

Is unchanged

Change by 33%

Is changed by about 26%

Is halved

135. At constant temperature, the pressure of an ideal gas is doubled, its density becomes

Half

Double

Same

None

136. A real gas most closely approaches the behavior of an ideal gas at

1 atm, and 273 K

15 atm, and 200 K

15 tm, and 500 K

0.5 atm, and 500 K

137. Triple point of water is

193 K

373 K

203 K

273 K

138. Van der Waal’s forces exist in

Covalent

All types of atoms and molecules

Non-polar

Polar compounds

139. Repeatable entity of a crystal structure is known as

Crystal

Unit cell

Miller indices

Lattice

140. Crystals can be classified into

4 crystal systems

14 crystal systems

7 crystal systems

3 crystal systems

141. What is the concentration of nitrate ions, if equal volumes of 0.1 M AgNO₃ and 0.1 M NaCl are mixed together?

0.05 M

0.1 M

0.2 M

0.25 M

142. The M.P of ice at Kelvin scale is 237K° and B.P of water is 373 K. This is a known fact that the molar volumes of different gases at S.T.P are

About the same as the molar volumes of liquids

Little bit less than the molar volumes of solids

Little bit greater than the molar volumes of liquid

Much larger than the molar volumes of liquids and solids

143. Isotopes differ in

Arrangement of electrons in orbitals

The extent to which they may be affected in electron magnetic field

Chemical properties

Properties which depend upon mass

144. Simple molecules or giant macromolecules are examples of

Diatic bond

Covalent bonds

Ionic compounds

Metallic bonds

145. Hydrogen diffuses six times faster than gas A. The molar mass gas of gas A is

146. Particles that most effects material properties

Valence electrons

Neutrons

Electrons

Protons

147. The weight of one molecule of a compound C₆₀H₁₂₂ is

5.01 x 10¯²¹ g

3.72 x 10¯²³ g

1.3 x 10¯²⁰ g

1.4 x 10¯²¹ g

148. The crystal structure having face centered cubic arrangement is

CsCl

NaCl

BaCl₂

CuCl

149. Wt. of 112 ml of oxygen at STP on liquefaction would be

0.16 g

0.64 g

0.96 g

0.32 g

150. In forming an ionic bond in potassium fluoride, the potassium ion

Gets a double positive charge

Gets a single positive charge

Gets a single negative charge

Gets a double negative charge

You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.

MDCAT Physics Vactors And Equilibrium Online Test
MDCAT Fundamental Concepts of Chemistry Test Online MCQs
MDCAT Biology Inheritance Test Online MCQs
MDCAT Biology Acellular life Test Online
MDCAT Biology Variety of Life Test Online MCQs
MDCAT Biology Fields of Specialization Online Test MCQS
MDCAT Biology Kingdom of Protista Online Test MCQS
MDCAT Biology Fungi Online Test MCQS
MDCAT Biology Kingdom Plantae Test Online MCQS
MDCAT Biology Gaseous Exchange Online Test MCQS

Malik TahirLast Updated: May 24, 2025

Facebook Twitter Reddit WhatsApp Share via Email Print

3 Comments

Rehan Siddique says:

July 30, 2022 at 12:49 pm

It might be a good place for students to learn something new and different

irfan ali says:

May 21, 2022 at 12:22 pm

i am live in kunri pak i give a test for entry test

irfan ali says:

May 21, 2022 at 12:21 pm

i am live in kunri pak

MDCAT Chemistry Liquids and Solids Test Online

Chemistry Solids MCQS Online Test

MDCAT Chemistry Solids Chapter Online Test

MDCAT Chemistry Solids Test

Chemistry

You Might Also Like

Malik Tahir

3 Comments

Leave a Reply Cancel reply

Chemistry Solids MCQS Online Test

MDCAT Chemistry Solids Chapter Online Test

MDCAT Chemistry Solids Test

Chemistry

You Might Also Like

Malik Tahir

Your Related

Sharif Medical College Lahore Entry Test Result 2025 Answer Key

MDCAT English Antonyms Online Test 4

MDCAT Chemistry Group VA and VIA Elements Test Online

MDCAT English Spotting Errors Online Test 3

MDCAT Physics Work and Energy Online Test

MDCAT Biology Cell Structure & Function Test Online

3 Comments

Leave a Reply Cancel reply