Chemistry Liquids and Solids Online Mcqs Test

Q: How can I prepare for Chemistry Liquids and Solids Online Mcqs Test?

You can prepare for Chemistry Liquids and Solids Online Mcqs Test by attempting the free online quizzes at Gotest.com.pk. We provide instant results, performance reports, and detailed explanations for every question.

Question 1

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

Question 2

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

Question 3

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

Answer

High ignition temperature

Answer

High solubility

Answer

Low temperature

Answer

High concentration

Question 4

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

Answer

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

Answer

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

Answer

A high pressure, the volume of the gas becomes insignificant

Answer

At high pressure, the intermolecular attraction becomes significant

Question 5

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

Answer

Both fcc and bcc

Answer

None of these

Question 6

6. The most efficient solvent extraction method is by using

Answer

Repeated extraction and small portion of solvent

Answer

Single extraction and small portion of solvent

Answer

Single extraction and large portion of solvent

Answer

Repeated extraction and large portion of solvent

Question 7

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

Answer

100 mm of Hg

Answer

700 mm of Hg

Answer

790 mm of Hg

Answer

1489 mm of Hg

Question 8

8. Potassium crystallizes with a

Answer

Orthogonal lattice

Answer

Ortho rhombic lattice

Answer

Cubic lattice

Question 9

9. Mean distance between atoms in the range of

Question 10

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

Answer

H₂O and H⁺

Answer

NH₃ and BF₃

Answer

CH₄ and AlCl₃

Answer

NH₃ and H⁺

Question 11

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

Question 12

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

Answer

One mole of NH₃ will produce 6 moles of N₂

Answer

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

Answer

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

Answer

One mole of NH₃ will produce ½ mole of N₂

Question 13

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

Answer

Ione pair of electrons

Answer

Free valence electrons

Question 14

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

Answer

22.4 liters

Answer

11.2 liters

Answer

2.24 liters

Question 15

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

Answer

Anisotropy

Answer

Polymorphism

Answer

Isomorphism

Question 16

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

Answer

159 g/Cm²

Answer

159 mm Hg.

Question 17

17. 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

Question 18

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

Answer

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

Answer

None of these

Answer

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

Answer

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

Question 19

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

Question 20

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

Answer

Charles’ law

Answer

Dalton’s law

Answer

Boyle’s law

Answer

Graham’s law

Question 21

21. Van der Waal’s forces exist in

Answer

All types of atoms and molecules

Answer

Polar compounds

Question 22

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

Answer

There is no orderly arrangement of particles

Answer

They melt over a range of temperature

Answer

They are anisotropic

Answer

There are rigid and in-compressible

Question 23

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

Answer

-10°C and 5.0 atm

Answer

0°C and 2.0 atm

Answer

-10°C and 2.0 atm

Answer

100°C and 2.0 atm

Question 24

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

Answer

Causing pressure

Answer

Orderly arranged

Answer

Having wide spaces

Answer

Randomly moving

Question 25

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

Question 26

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

Question 27

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

Answer

3/2 x 6.02 x 10²³

Answer

4 x 6.02 x 10²³

Answer

2 x 6.02 x 10²³

Answer

6.02 x 10²³

Question 28

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

Question 29

29. Amorphous substances possess

Answer

Definite heat of fusion

Answer

No definite heat of fusion

Answer

Sharp melting points

Answer

Sharp B.P.

Question 30

30. Formation of a cation is?

Question 31

31. Which of the following are more temperature sensitive?

Answer

None of these

Answer

Liquid crystals

Answer

Ionic crystals

Answer

Solid crystals

Question 32

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

Question 33

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

Answer

1 liter atm

Answer

3 liter atm

Answer

2 liter atm

Question 34

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

Question 35

35. The material possessing superconducting properties is

Answer

Yb Ba₂Cu₂O₈

Answer

Hg Be₂Ca₂Cu₂O₈

Answer

Y Ba₂Cu₃O₇

Answer

Y B₂Cu₃O₇

Question 36

36. Which is trigonal crystal?

Answer

CaSO₄.2H₂O

Question 37

37. 4.4 g of CO₂ contains how many liters of CO₂ at STP?

Answer

22.4 liter

Answer

2.24 liter

Question 38

38. Ionic solids are characterized by

Answer

High vapour pressures

Answer

Good conductivity in solid state

Answer

Solubility in polar solvents

Answer

Low melting points

Question 39

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

Question 40

40. 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?

Question 41

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

Answer

8.31 JK¯¹ mol¯¹

Answer

8.31 x 10⁷ erg³ K¯¹ mol¯¹

Answer

8.31 x 10⁷ dynes Cm K¯¹ mol¯¹

Answer

8.31 L atm K¯¹ mol¯¹

Question 42

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

Answer

B evaporates less readily than C

Answer

B evaporates more readily than A

Answer

A evaporates more readily than C

Answer

A and B evaporates at the same rate

Question 43

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

Answer

Pseudo solids

Answer

Covalent solids

Answer

Ionic solids

Answer

Molecular solids

Question 44

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

Answer

Twice that in 60 g carbon

Answer

Half that in 8 g of He

Answer

6.022 x 10²²

Answer

558.5 x 6.022 x 10²³

Question 45

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

Answer

Na(s) → N²⁺ (g) + e¯

Answer

Na(s) → N²⁺ (g) + 2e¯

Answer

Na(g) → N²⁺ (g) + +¯

Answer

Na(g) → N²⁺ (g) + e¯

Question 46

46. Crystals can be classified into

Answer

14 crystal systems

Answer

4 crystal systems

Answer

7 crystal systems

Answer

3 crystal systems

Question 47

47. Under what conditions real gases deviate from ideal behavior

Answer

Low temperature

Answer

Both b and c

Answer

High temperature

Answer

High pressure

Question 48

48. 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

Answer

Isomorphous crystals

Answer

Allotropic crystal

Answer

Isomeric crystals

Answer

Liquid Crystals

Question 49

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

Answer

None of these

Question 50

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

Question 51

51. Crystalline solids can be identified easily by their

Answer

Definite geometry

Answer

Transition temperature

Answer

All of these

Question 52

52. Particles that most effects material properties

Answer

Valence electrons

Question 53

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

Answer

CO is 3.75 times faster than CO₂

Answer

Both diffused at the same time

Answer

CO₂ is 1.25 times faster than CO

Answer

CO is 1.25 times faster than CO₂

Question 54

54. The molar volume of CO₂ is maximum at

Answer

127°C and 1 atm

Answer

S.T.P (0°C and 1 atm)

Answer

0°C and 2 atm

Answer

273°C and 2 atm

Question 55

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

Answer

Octahedron

Answer

Tetrahedron

Question 56

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

Question 57

57. 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)

Question 58

58. A malleable solid is one which can be

Answer

Melted easily

Answer

Converted into sheets

Answer

Converted into wires

Answer

All of these

Question 59

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

Answer

Gets a double positive charge

Answer

Gets a single positive charge

Answer

Gets a single negative charge

Answer

Gets a double negative charge

Question 60

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

Answer

Colour of the gas is greenish yellow

Answer

Oxide of the gas is strongly acidic

Answer

The gas is chlorine

Answer

A gas is liberated

Question 61

61. Isomorphic substances have

Answer

Different physical and same chemical properties

Answer

Same physical and chemical properties

Answer

Same physical and different chemical properties

Answer

Different physical and chemical properties

Question 62

62. Isotopes differ in

Answer

Chemical properties

Answer

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

Answer

Arrangement of electrons in orbitals

Answer

Properties which depend upon mass

Question 63

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

Answer

ZnS type structure

Answer

CsCl type structure

Answer

NaCl type structure

Answer

AB₂ type ionic compound

Question 64

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

Answer

C₄H₁₀O₂

Answer

C₃H₅O₂

Answer

C₆H₁₀O₄

Answer

C₃H₁₀O₂

Answer 163

Solvent extraction

Answer 164

Chromatography

Answer 165

Crystallization

Answer 166

2.0478 x 10 ²⁴

Answer 167

4.0956 x 10 ²⁴

Answer 168

1.5057 x 10 ²⁴

Answer 169

3.0115 x 10 ²⁴

Answer 170

Covalent bond

Answer 171

Electrostatic force

Answer 172

Electrical attraction

Answer 173

Non covalent bond force

Answer 174

All molecular collisions are elastic

Answer 175

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

Answer 176

Molecules of all the gases have same size and same mass

Answer 177

Molecules are in chaotic motion

Answer 178

10 mL of 0.02 M

Answer 179

5 mL of 0.1 M

Answer 180

10 mL of 0.1 M

Answer 181

10 mL of 0.5 M

Answer 182

Be a function of the molecular mass of substance

Answer 183

Increase two fold

Answer 184

Decrease twice

Answer 185

Remains unchanged

Answer 186

8.5 Pounds

Answer 187

101.325 Pa

Answer 188

Altahydral manner

Answer 189

Tetrahedral manner

Answer 190

Square planner manner

Answer 191

Hexagonal manner

Answer 192

Little bit less than the molar volumes of solids

Answer 193

Much larger than the molar volumes of liquids and solids

Answer 194

About the same as the molar volumes of liquids

Answer 195

Little bit greater than the molar volumes of liquid

Answer 196

Pressure of dust particles in air

Answer 197

Elastic collisions of gas molecules

Answer 198

Non-polar nature of gases

Answer 199

Different molar mass

Answer 200

Decreased covalent and hydrogen bond forces

Answer 201

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

Answer 202

Decreased volume of the solution

Answer 203

Increased attraction between the molecules

Answer 204

Polymorphism

Answer 205

Isomorphism

Answer 206

None of these

Answer 207

Polymorphism

Answer 208

Anisotropy

Answer 209

Isomorphism

Answer 210

No definite geometry

Answer 211

All of these

Answer 212

No sharp melting points

Answer 213

No definite heat of fusion

Answer 214

Ionic compounds

Answer 215

Metallic bonds

Answer 216

Diatic bond

Answer 217

Covalent bonds

Answer 218

Covalent compounds

Answer 219

Ionic compounds

Answer 220

Diatic bonds

Answer 221

Metallic compounds

Answer 222

Change by 33%

Answer 223

Is unchanged

Answer 224

Is changed by about 26%

Answer 225

Relative abundance

Answer 226

Number of isotopes

Answer 227

Both A & B

Answer 228

Normal filter paper

Answer 229

Fluted filter paper

Answer 230

Miller indices

Answer 231

Same physical and chemical properties

Answer 232

Different physical and chemical properties

Answer 233

Different physical and same chemical properties

Answer 234

Same physical and difference chemical properties

Answer 235

Gas < liquid < solid

Answer 236

Gas < liquid < solid

Answer 237

Gas = liquid = solid

Answer 238

Liquid < gas < solid

Answer 239

To dissolve large amount of substance at its boiling point

Answer 240

Increasing the rate of filtration

Answer 241

Filtering the hot saturated solution

Answer 242

To avoid premature crystallization of the solute

Answer 243

Volume of O₂ required is 50 dm³

Answer 244

Volume of CO₂ formed is 25 dm³

Answer 245

Volume of O₂ required is 25 dm³

Answer 246

Volume of CO₂ formed is 60 dm³

Answer 247

None of these

Answer 248

Liquid N₂

Answer 249

Liquid CO₂

Answer 250

Liquid H₂

Answer 251

Liquid O₂

Answer 252

Undergo clean cleave when cut with knife

Answer 253

Can possess small regions of orderly arrangement of atoms

Answer 254

Have sharp melting point

Answer 255

Have perfect arrangement of atoms

Answer 256

A and C have same reading and are less then B

Answer 257

Descending paper chromatography

Answer 258

Liquid gas chromatography

Answer 259

Ascending paper chromatography

Answer 260

Liquid solid chromatography

Answer 261

1.4 x 10¯²¹ g

Answer 262

5.01 x 10¯²¹ g

Answer 263

1.3 x 10¯²⁰ g

Answer 264

3.72 x 10¯²³ g

Answer 265

nλ = 1/2d sin θ

Answer 266

2nλ = d sin θ

Answer 267

nλ = 2 θ sin θ

Answer 268

nλ = 2 d sin θ

Answer 269

Organic compounds

Answer 270

Inorganic compounds

Answer 271

None of these

Answer 272

Both A and B

Answer 273

Filtrate runs down without crystals

Answer 274

This gives bigger size crystals

Answer 275

This gives medium size crystals

Answer 276

The filtrate is quick

Answer 277

Heat the mixture and allow it to cool

Answer 278

Add dilute acid to the mixture and filter

Answer 279

Add water to the mixture and filter

Answer 280

Place the mixture in a separating funnel

Answer 281

Divalent impurity

Answer 282

Tetravalent

Answer 283

Pentavalent impurity

Answer 284

Trivalent impurity

Answer 285

Isoelectronic

Answer 286

Allotropes

Answer 287

1 mole of S

Answer 288

3 x 10²³ atoms of C

Answer 289

7.0 g of Ag.

Answer 290

2 gram atom of nitrogen

Answer 291

Transition elements

Answer 292

p-block elements

Answer 293

Lanthanides

Answer 294

Moderately

Answer 295

Tetragonal

Answer 296

Monoclinic

Answer 297

20 moles of S8

Answer 298

5.0 moles of SO₂

Answer 299

6 moles of S

Answer 300

44.8 dm3 CO₂ at S.T.P

Answer 301

Gases do not have a definite shape and volume

Answer 302

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

Answer 303

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

Answer 304

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

Answer 305

Isotopic form

Answer 306

Crystalline forms

Answer 307

Isomorphism

Answer 308

Tetra chloromethane

Answer 309

The coordination number of carbon atoms is 4

Answer 310

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

Answer 311

The carbon atoms are arranged layers

Answer 312

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

Answer 313

Super-cooled liquid

Answer 314

Micro-crystalline solid

Answer 315

None of these

Answer 316

A, B and C

Answer 317

Rhombohedral

Answer 318

Monoclinic

Answer 319

Isotropical

Answer 320

Sharp melting point

Answer 321

Transition temperature

Answer 322

Definite geometry

Answer 323

Crystalline

Answer 324

Monoclimic

Answer 325

He will feel warmth

Answer 326

His blood pressure will increase

Answer 327

He will feel cool

Answer 328

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

Answer 329

Sublimation

Answer 330

Filtration

Answer 331

Condensation

Answer 332

Vaporization

Answer 333

Increase of K.E of molecules

Answer 334

Decrease of surface tension

Answer 335

Increase of intermolecular interactions

Answer 336

Increase in potential energy of molecules

Answer 337

15 atm, and 200 K

Answer 338

0.5 atm, and 500 K

Answer 339

15 tm, and 500 K

Answer 340

1 atm, and 273 K

Answer 341

Dalton’s law

Answer 342

Boyle’s law

Answer 343

Charles’ law

Answer 344

Avogadro’s law

Answer 345

Acetic acid

Answer 346

Chloroform

Answer 347

Sulphuric acid

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:	Chemistry Test ECAT Test MDCAT Test FPSC/PPSC/SPSC/KPPSC/BPSC/AJKPSC/NTS Chemistry Interview Question Answer

Chemistry Liquids and Solids Online Mcqs Test

Important Chemistry Solids Question and Answer

Chemistry Solids Practice Test Online With Explanation

Chemistry

How to Score High in Chemistry Liquids and Solids Online Mcqs Test?

Key Preparation Tips:

More Related Resources

Malik Tahir

3 Comments

Leave a Reply Cancel reply

Important Chemistry Solids Question and Answer

Chemistry Solids Practice Test Online With Explanation

Chemistry

How to Score High in Chemistry Liquids and Solids Online Mcqs Test?

Key Preparation Tips:

More Related Resources

Latest Updates

Malik Tahir

3 Comments

Leave a Reply Cancel reply