Chemistry Liquids and Solids Online Mcqs Test

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Question 1

1. Ionic solids are characterized by

Answer

Good conductivity in solid state

Answer

Low melting points

Answer

High vapour pressures

Answer

Solubility in polar solvents

Question 2

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

Question 3

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

Answer

44.8 dm3 CO₂ at S.T.P

Answer

20 moles of S8

Answer

5.0 moles of SO₂

Answer

6 moles of S

Question 4

4. 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?

Answer

A and C have same reading and are less then B

Question 5

5. Isotopes differ in

Answer

Properties which depend upon mass

Answer

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

Answer

Arrangement of electrons in orbitals

Answer

Chemical properties

Question 6

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

Answer

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

Answer

Gases do not have a definite shape and volume

Answer

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

Answer

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

Question 7

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

Question 8

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

Answer

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

Answer

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

Answer

At high pressure, the intermolecular attraction becomes significant

Answer

A high pressure, the volume of the gas becomes insignificant

Question 9

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

Question 10

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

Answer

Chloroform

Answer

Sulphuric acid

Answer

Acetic acid

Question 11

11. The molar volume of CO₂ is maximum at

Answer

127°C and 1 atm

Answer

273°C and 2 atm

Answer

S.T.P (0°C and 1 atm)

Answer

0°C and 2 atm

Question 12

12. Amorphous solids

Answer

Have sharp melting point

Answer

Undergo clean cleave when cut with knife

Answer

Can possess small regions of orderly arrangement of atoms

Answer

Have perfect arrangement of atoms

Question 13

13. 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

Answer

He will feel cool

Answer

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

Answer

His blood pressure will increase

Answer

He will feel warmth

Question 14

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

Answer

Relative abundance

Answer

Number of isotopes

Question 15

15. The most efficient solvent extraction method is by using

Answer

Repeated extraction and large portion of solvent

Answer

Repeated extraction and small portion of solvent

Answer

Single extraction and small portion of solvent

Answer

Single extraction and large portion of solvent

Question 16

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

Answer

Tetrahedron

Answer

Octahedron

Question 17

17. Which of the following are more temperature sensitive?

Answer

None of these

Answer

Ionic crystals

Answer

Solid crystals

Answer

Liquid crystals

Question 18

18. 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

A and B evaporates at the same rate

Answer

B evaporates less readily than C

Answer

A evaporates more readily than C

Answer

B evaporates more readily than A

Question 19

19. In case of elements the polymorphism is called

Answer

Crystalline forms

Answer

Isotopic form

Answer

Isomorphism

Question 20

20. 4.4 g of CO₂ contains how many liters of CO₂ at STP?

Answer

22.4 liter

Answer

2.24 liter

Question 21

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

Question 22

22. A malleable solid is one which can be

Answer

All of these

Answer

Converted into sheets

Answer

Melted easily

Answer

Converted into wires

Question 23

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

Question 24

24. Isomorphic substances have

Answer

Same physical and different chemical properties

Answer

Same physical and chemical properties

Answer

Different physical and same chemical properties

Answer

Different physical and chemical properties

Question 25

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

Answer

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

Answer

The carbon atoms are arranged layers

Answer

The coordination number of carbon atoms is 4

Answer

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

Question 26

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

Question 27

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

Answer

Anisotropy

Answer

Polymorphism

Answer

Isomorphism

Question 28

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

Question 29

29. Triple point of water is

Question 30

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

Answer

Covalent bond

Answer

Electrical attraction

Answer

Electrostatic force

Answer

Non covalent bond force

Question 31

31. 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

11.2 liters

Answer

22.4 liters

Answer

2.24 liters

Question 32

32. The material possessing superconducting properties is

Answer

Hg Be₂Ca₂Cu₂O₈

Answer

Yb Ba₂Cu₂O₈

Answer

Y Ba₂Cu₃O₇

Answer

Y B₂Cu₃O₇

Question 33

33. Amorphous substances possess

Answer

No definite heat of fusion

Answer

Definite heat of fusion

Answer

Sharp B.P.

Answer

Sharp melting points

Question 34

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

Answer

4 x 6.02 x 10²³

Answer

2 x 6.02 x 10²³

Answer

6.02 x 10²³

Answer

3/2 x 6.02 x 10²³

Question 35

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

Answer

Gets a single negative charge

Answer

Gets a single positive charge

Answer

Gets a double positive charge

Answer

Gets a double negative charge

Question 36

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

Answer

Monoclimic

Question 37

37. Repeatable entity of a crystal structure is known as

Answer

Miller indices

Question 38

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

Question 39

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

Question 40

40. Solvent extraction is mostly applied to separate

Answer

Inorganic compounds

Answer

None of these

Answer

Organic compounds

Answer

Both A and B

Question 41

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

Question 42

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

Answer

Add dilute acid to the mixture and filter

Answer

Add water to the mixture and filter

Answer

Place the mixture in a separating funnel

Answer

Heat the mixture and allow it to cool

Question 43

43. A solid may be made up of

Answer

A, B and C

Question 44

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

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

Answer

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

Question 45

45. Poor conductors of electricity is a characteristic of

Answer

Metallic compounds

Answer

Diatic bonds

Answer

Covalent compounds

Answer

Ionic compounds

Question 46

46. Crystals can be classified into

Answer

4 crystal systems

Answer

14 crystal systems

Answer

7 crystal systems

Answer

3 crystal systems

Question 47

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

Answer

10 mL of 0.02 M

Answer

5 mL of 0.1 M

Answer

10 mL of 0.1 M

Answer

10 mL of 0.5 M

Question 48

48. The allotropic forms of an element are called

Answer

Allotropes

Answer

Isoelectronic

Question 49

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

Answer

Molecules of all the gases have same size and same mass

Answer

Molecules are in chaotic motion

Answer

All molecular collisions are elastic

Answer

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

Question 50

50. 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:

Question 51

51. Under what conditions real gases deviate from ideal behavior

Answer

High pressure

Answer

Both b and c

Answer

High temperature

Answer

Low temperature

Question 52

52. Half atmospheric pressure is

Answer

101.325 Pa

Answer

8.5 Pounds

Question 53

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

Answer

ZnS type structure

Answer

CsCl type structure

Answer

AB₂ type ionic compound

Answer

NaCl type structure

Question 54

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

Answer

Dalton’s law

Answer

Boyle’s law

Answer

Charles’ law

Answer

Avogadro’s law

Question 55

55. Isomorphic substance have

Answer

Same physical and chemical properties

Answer

Same physical and difference chemical properties

Answer

Different physical and same chemical properties

Answer

Different physical and chemical properties

Question 56

56. Particles that most effects material properties

Answer

Valence electrons

Question 57

57. 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

Question 58

58. The example of hexagonal system is

Question 59

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

Answer

Condensation

Answer

Sublimation

Answer

Vaporization

Answer

Filtration

Question 60

60. Which of the following is a pseudo solid?

Question 61

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

Answer

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

Answer

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

Answer

One mole of NH₃ will produce 6 moles of N₂

Answer

One mole of NH₃ will produce ½ mole of N₂

Question 62

62. Amorphous substance posses

Answer

No sharp melting points

Answer

No definite geometry

Answer

All of these

Answer

No definite heat of fusion

Question 63

63. Ice is ________ crystal

Question 64

64. Van der Waal’s forces exist in

Answer

Polar compounds

Answer

All types of atoms and molecules

Answer 162

p-block elements

Answer 163

Lanthanides

Answer 164

Transition elements

Answer 165

Is changed by about 26%

Answer 166

Change by 33%

Answer 167

Is unchanged

Answer 168

CO is 1.25 times faster than CO₂

Answer 169

CO is 3.75 times faster than CO₂

Answer 170

CO₂ is 1.25 times faster than CO

Answer 171

Both diffused at the same time

Answer 172

Gas = liquid = solid

Answer 173

Gas < liquid < solid

Answer 174

Gas < liquid < solid

Answer 175

Liquid < gas < solid

Answer 176

To avoid premature crystallization of the solute

Answer 177

Filtering the hot saturated solution

Answer 178

To dissolve large amount of substance at its boiling point

Answer 179

Increasing the rate of filtration

Answer 180

159 g/Cm²

Answer 181

159 mm Hg.

Answer 182

High solubility

Answer 183

High ignition temperature

Answer 184

Low temperature

Answer 185

High concentration

Answer 186

Chromatography

Answer 187

Crystallization

Answer 188

Solvent extraction

Answer 189

Graham’s law

Answer 190

Boyle’s law

Answer 191

Charles’ law

Answer 192

Dalton’s law

Answer 193

3 liter atm

Answer 194

2 liter atm

Answer 195

1 liter atm

Answer 196

C₄H₁₀O₂

Answer 197

C₃H₁₀O₂

Answer 198

C₃H₅O₂

Answer 199

C₆H₁₀O₄

Answer 200

Square planner manner

Answer 201

Hexagonal manner

Answer 202

Altahydral manner

Answer 203

Tetrahedral manner

Answer 204

Volume of O₂ required is 50 dm³

Answer 205

Volume of O₂ required is 25 dm³

Answer 206

Volume of CO₂ formed is 60 dm³

Answer 207

Volume of CO₂ formed is 25 dm³

Answer 208

None of these

Answer 209

Na(g) → N²⁺ (g) + e¯

Answer 210

Na(s) → N²⁺ (g) + e¯

Answer 211

Na(s) → N²⁺ (g) + 2e¯

Answer 212

Na(g) → N²⁺ (g) + +¯

Answer 213

Monoclinic

Answer 214

Rhombohedral

Answer 215

Isotropical

Answer 216

This gives medium size crystals

Answer 217

Filtrate runs down without crystals

Answer 218

This gives bigger size crystals

Answer 219

The filtrate is quick

Answer 220

There is no orderly arrangement of particles

Answer 221

They melt over a range of temperature

Answer 222

There are rigid and in-compressible

Answer 223

They are anisotropic

Answer 224

-10°C and 2.0 atm

Answer 225

0°C and 2.0 atm

Answer 226

-10°C and 5.0 atm

Answer 227

100°C and 2.0 atm

Answer 228

Polymorphism

Answer 229

Isomorphism

Answer 230

None of these

Answer 231

15 tm, and 500 K

Answer 232

1 atm, and 273 K

Answer 233

0.5 atm, and 500 K

Answer 234

15 atm, and 200 K

Answer 235

3.0115 x 10 ²⁴

Answer 236

4.0956 x 10 ²⁴

Answer 237

1.5057 x 10 ²⁴

Answer 238

2.0478 x 10 ²⁴

Answer 239

nλ = 2 θ sin θ

Answer 240

nλ = 2 d sin θ

Answer 241

nλ = 1/2d sin θ

Answer 242

2nλ = d sin θ

Answer 243

Twice that in 60 g carbon

Answer 244

6.022 x 10²²

Answer 245

Half that in 8 g of He

Answer 246

558.5 x 6.022 x 10²³

Answer 247

Tetra chloromethane

Answer 248

700 mm of Hg

Answer 249

100 mm of Hg

Answer 250

1489 mm of Hg

Answer 251

790 mm of Hg

Answer 252

5.01 x 10¯²¹ g

Answer 253

1.4 x 10¯²¹ g

Answer 254

3.72 x 10¯²³ g

Answer 255

1.3 x 10¯²⁰ g

Answer 256

Isomorphous crystals

Answer 257

Isomeric crystals

Answer 258

Allotropic crystal

Answer 259

Liquid Crystals

Answer 260

Non-polar nature of gases

Answer 261

Pressure of dust particles in air

Answer 262

Elastic collisions of gas molecules

Answer 263

Different molar mass

Answer 264

Much larger than the molar volumes of liquids and solids

Answer 265

Little bit greater than the molar volumes of liquid

Answer 266

Little bit less than the molar volumes of solids

Answer 267

About the same as the molar volumes of liquids

Answer 268

CaSO₄.2H₂O

Answer 269

Moderately

Answer 270

3 x 10²³ atoms of C

Answer 271

7.0 g of Ag.

Answer 272

2 gram atom of nitrogen

Answer 273

1 mole of S

Answer 274

Both fcc and bcc

Answer 275

None of these

Answer 276

Increased attraction between the molecules

Answer 277

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

Answer 278

Decreased covalent and hydrogen bond forces

Answer 279

Decreased volume of the solution

Answer 280

8.31 x 10⁷ dynes Cm K¯¹ mol¯¹

Answer 281

8.31 JK¯¹ mol¯¹

Answer 282

8.31 x 10⁷ erg³ K¯¹ mol¯¹

Answer 283

8.31 L atm K¯¹ mol¯¹

Answer 284

NH₃ and BF₃

Answer 285

H₂O and H⁺

Answer 286

NH₃ and H⁺

Answer 287

CH₄ and AlCl₃

Answer 288

Causing pressure

Answer 289

Having wide spaces

Answer 290

Randomly moving

Answer 291

Orderly arranged

Answer 292

Ionic solids

Answer 293

Molecular solids

Answer 294

Pseudo solids

Answer 295

Covalent solids

Answer 296

Crystalline

Answer 297

Liquid gas chromatography

Answer 298

Descending paper chromatography

Answer 299

Liquid solid chromatography

Answer 300

Ascending paper chromatography

Answer 301

Increase of K.E of molecules

Answer 302

Increase of intermolecular interactions

Answer 303

Increase in potential energy of molecules

Answer 304

Decrease of surface tension

Answer 305

Covalent bonds

Answer 306

Metallic bonds

Answer 307

Diatic bond

Answer 308

Ionic compounds

Answer 309

Colour of the gas is greenish yellow

Answer 310

Oxide of the gas is strongly acidic

Answer 311

A gas is liberated

Answer 312

The gas is chlorine

Answer 313

Liquid CO₂

Answer 314

Liquid H₂

Answer 315

Liquid O₂

Answer 316

Liquid N₂

Answer 317

None of these

Answer 318

Micro-crystalline solid

Answer 319

Super-cooled liquid

Answer 320

Increase two fold

Answer 321

Decrease twice

Answer 322

Be a function of the molecular mass of substance

Answer 323

Remains unchanged

Answer 324

Definite geometry

Answer 325

Transition temperature

Answer 326

Sharp melting point

Answer 327

Definite geometry

Answer 328

Transition temperature

Answer 329

All of these

Answer 330

Divalent impurity

Answer 331

Trivalent impurity

Answer 332

Tetravalent

Answer 333

Pentavalent impurity

Answer 334

Ortho rhombic lattice

Answer 335

Orthogonal lattice

Answer 336

Cubic lattice

Answer 337

Anisotropy

Answer 338

Polymorphism

Answer 339

Isomorphism

Answer 340

Fluted filter paper

Answer 341

Both A & B

Answer 342

Normal filter paper

Answer 343

None of these

Answer 344

Ione pair of electrons

Answer 345

Free valence electrons

Answer 346

Monoclinic

Answer 347

Tetragonal

Total Questions:	150
Time Allowed:	60 Minutes
Total Marks:	150
How to Attempt Test:	Please choose the right Option in MCQ-type question.
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