Chemistry Forms of Matter Test Online

Q: How can I prepare for Chemistry Forms of Matter Test Online?

You can prepare for Chemistry Forms of Matter Test Online 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. Which one is the correct value of R

Answer

0.082/Cm³ torr K¯¹ mol¯¹

Answer

0.082/dm³ atom K¯¹ mol¯¹

Answer

0.082/dtm Cm³ K¯¹ mol¯¹

Answer

0.082/dm³ torr K¯¹ mol¯¹

Question 2

2. At constant volume temperature is increased then

Answer

Collision will not change

Answer

Collision will be in straight line

Answer

Collision on walls will be less

Answer

Collision frequency will be increases

Question 3

3. Liquefaction of gas can only be carried out if

Answer

The temperature is more than critical and pressure is 1000 atm

Answer

The temperature is below the critical and pressure is very high

Answer

Temperature is above the critical temperature and pressure can have any value

Answer

Without caring for the value critical volume at critical stage

Question 4

4. The light temperature at which a substance can exist as a liquid is called its

Answer

Standard temperature

Answer

Normal temperature

Answer

Critical temperature

Answer

Absolute temperature

Question 5

5. Which of the following are NOT examples of matter?

Answer

Copper (II) nitrate

Answer

Motion of a Car

Answer

Carbon Dioxide

Question 6

6. Which of the following is not considered as an intermolecular force between molecules?

Answer

Hydrogen bonds

Answer

Covalent bonds

Answer

Vander Waal’s forces

Answer

Hydrophobic bonds

Question 7

7. The process of effusion and diffusion are best understood by

Answer

Graham’s law

Answer

Dalton’s law

Answer

Charles’s law

Answer

Avogadro’s law

Question 8

8. One mole of a gas refers to

Answer

The number of molecules in 22.4 liters of a gas at S.T.P.

Answer

The number of molecules contained in 12 grams of ¹²C isotope

Answer

The number of molecules in one gram of gas

Answer

The number of molecules in one liter of gas

Question 9

9. What is the final pressure in a balloon when the volume is changed from 1.5 L to a volume of 2.5L at constant temperature? (Initial pressure is 1.1 atm).

Answer

None of these

Question 10

10. The specific heat of a gas

Answer

Can have any value between 0 and infinity

Answer

Is proportional to the square root of its absolute temperature

Answer

Has only one value

Answer

Has two values Cp and Cv

Question 11

11. According to kinetic theory of gases there are

Answer

The velocity of molecules decreases for each collision.

Answer

Molecules which have considerable volume

Answer

No intermolecular forces of attraction

Answer

Intermolecular attractions

Question 12

12. Hydrogen effuses four times more rapidly than volume of an unknown gas molar mass of unknown gas should be

Answer

64 gmol¯¹

Answer

32 gmol¯¹

Answer

16 gmol¯¹

Answer

48 gmol¯¹

Question 13

13. Which of these gases diffuses more quickly than oxygen?

Question 14

14. An ideal gas obeying kinetic gas equation can be liquefied if

Answer

Its pressure is more than critical pressure but temperature is less than critical temperature.

Answer

Its pressure is more than critical pressure

Answer

Its temperature is more than critical temperature

Answer

It cannot be liquefied at any value of P and T

Question 15

15. A gas has non-ideal behavior at

Answer

Low temperature and low pressure

Answer

High temperature and high pressure

Answer

High temperature and low pressure

Answer

Low temperature and high pressure

Question 16

16. Lind’s method is employed to

Answer

Liquefaction of gases

Answer

Separation of gases

Answer

Expansion of gas

Answer

Compression of gases

Question 17

17. The respiration process taking place in animals depends upon a difference in

Answer

Atmospheric pressure

Answer

Osmotic pressure

Answer

Vapour pressure

Answer

Partial pressure

Question 18

18. The specific heat of an ideal gas is

Answer

Independent of T

Answer

Proportional to T³

Answer

Proportional to T²

Answer

Proportional to T

Question 19

19. CuSO₄ is dissolved in water

Answer

Physical Property

Answer

Chemical Change

Answer

Physical Change

Answer

Chemical Property

Question 20

20. The total pressure exerted by a number of non reacting gases is equal to the sum of partial pressure of the gases under the same conditions is known as

Answer

Dalton’s law

Answer

Boyle’s law

Answer

Avogadro’s law

Answer

Charle’s law

Question 21

21. The density of a gas at 27°C and 1 atm is d. Pressure remaining constant, at which of the following temperatures will its density become 0.75 d?

Question 22

22. The correct value of the gas constant R is close to

Answer

0.082 liter-atm¯¹ K mol

Answer

0.082 liter-atm K¯¹ mol¯¹

Answer

0.082 liter-atm¯¹ K mol¯¹

Answer

0.082 liter-atm K

Question 23

23. To which mixture of gases Dalton’s law of partial pressure is not applicable

Answer

CO and CO₂

Answer

CO₂ and N₂

Answer

CHl and NH₃

Answer

CH₄ and C₂H₆

Question 24

24. If the air inside a balloon is heated, the volume will

Answer

None of these

Answer

Increase a little, then decrease.

Question 25

25. The kinetic theory of gases, which of the following is important for an ideal gas:

Answer

There is no attraction or repulsion between the gas molecules, whereas there IS attraction between molecules of liquids or solids.

Answer

The gases are NOT fluid

Answer

None of these

Answer

The distance between molecules in ideal gases is closer than in liquids or solids.

Question 26

26. The non-ideal behavior results chiefly from

Answer

Intermolecular attractions and finite volume

Answer

Intermolecular attraction and infinite volume

Answer

Elastic collisions and finite volume

Answer

Intermolecular attraction only

Question 27

27. At constant temperature, volume of given mass of gas is inverse proportional to pressure on it. This statement is according to

Answer

Boyle’s law

Answer

Graham’s law

Answer

Charles’ law

Answer

Hook’s law

Question 28

28. Standard temperature and pressure of a gas refers to as

Answer

273 c and 76 mm Hg

Answer

273 k and 76 mm Hg

Answer

273 k and 760 mm Hg

Answer

273 c and 760 mm Hg

Question 29

29. Which one is not the partial pressure of oxygen in the lungs?

Answer

116 mm of Hg

Answer

0.1526 atm

Question 30

30. The average kinetic energy of an ideal gas per molecule is SI units at 25°C will be

Answer

6.17 x 10¯²¹ kJ

Answer

6.17 x 10¯²⁰ J

Answer

6.17 x 10¯²¹ J

Answer

7.16 x 10¯²⁰ J

Question 31

31. The gases become non-ideal at

Answer

Low temperature and Low pressure

Answer

High temperature and high pressure

Answer

Low temperature and high pressure

Answer

High temperature and Low pressure

Question 32

32. The volume of a gas that is occupied by its one mole at S.T.P is known as

Answer

Normal volume

Answer

Atomic volume

Answer

Molar volume

Answer

Total volume

Question 33

33. The processes of effusion and diffusion are best understand by

Answer

Daltons law

Answer

Charles law

Answer

Grahams law

Answer

Avogadro’s law

Question 34

34. What is the final pressure in a vessel when the volume is changed from 1.3 L to a volume of 1.55 L at constant temperature? (Initial pressure is 1.5 atm).

Answer

None of these

Question 35

35. The partial pressure exerted by the water vapors is called

Answer

Aqueous tension

Answer

Surface tension

Answer

Vapor pressure

Answer

Hydraulic pressure

Question 36

36. The gases suddenly __________ if these are allowed to expand

Answer

Move randomly

Question 37

37. A gas occupies a balloon with a volume 2.0.1, at 33°C. How much volume will it occupy at 37°C, if pressure remains constant?

Answer

None of these

Question 38

38. To measure the true pressure of a gas collected over water, the pressure due to water vapours is

Answer

Divided by the total pressure

Answer

Subtracted from the total pressure

Answer

Added to the total pressure

Answer

Multiplied to the total pressure

Question 39

39. Volume of gas become four times if

Answer

Temperature become one fourth at constant pressure

Answer

Temperature becomes half at constant pressure

Answer

Temperature become four times at constant pressure

Answer

Temperature becomes two times at constant pressure

Question 40

40. The which of the following mixtures Dalton’s law of partial pressures is not applicable?

Answer

HCl and NH₃

Answer

CH₄ and C₂H₆

Answer

CO₂ and N₂

Answer

CO and CO₂

Question 41

41. The spreading of fragrance or scent in air is due to

Answer

Low density

Answer

Attraction with air

Question 42

42. An ideal gas cannot be liquefied because

Answer

It solidifies before becoming a liquid

Answer

Forces operative between its molecules are negligible

Answer

Its critical temperature is always above 0°C

Answer

Its molecules are relatively small in size

Question 43

43. A pressure of 1Nm¯² is equal to

Answer

One Pascal

Answer

One atmosphere

Answer

Stalagmometer

Question 44

44. Gas in a balloon occupies 3.3 L. What volume will it occupy if the pressure is changed from 100 kPa to 90 kPa (at constant temperature of 310 K (about room temperature),

Answer

None of these

Question 45

45. A balloon occupies 3.2 L at 37°C. How much will it occupy at 42°C?

Answer

None of these

Question 46

46. Aluminum Phosphate has a density of 2.566 g/cm3

Answer

Physical property

Answer

Chemical Change

Answer

Chemical property

Answer

Physical Change

Question 47

47. HCl being a strong acid is a _________. Wood sawed in two is __________.

Answer

Chemical property, Physical Change

Answer

Physical property, Chemical Change

Answer

Chemical Change, Physical Change

Answer

Physical Change, Chemical Change

Question 48

48. The temperature below which a gas does not exist is called its

Answer

Inversion temperature

Answer

Curie point

Answer

Neutral temperature

Answer

Critical temperature

Question 49

49. Under what conditions the gases deviate from the ideal behavior?

Answer

Low temperature

Answer

High temperature

Answer

High pressure

Question 50

50. If 1/v is plotted on X-axis and pressure on y-axis at constant temperature, what should appear

Answer

Straight line

Question 51

51. According to the kinetic theory of gases, in an ideal gas, between two successive collisions a gas molecule travels

Answer

With an accelerated velocity

Answer

In a straight line path

Answer

In a wavy path

Answer

Ina circular path

Question 52

52. Which is incorrect in case of ideal gases

Answer

All molecules move with same speed

Answer

Can be liquefied

Answer

Behave independently

Question 53

53. The diffusion of gases at absolute zero will be

Answer

Slightly decreased

Answer

Slightly increased

Question 54

54. Average kinetic energy of molecules is

Answer

Directly proportional to absolute temperature

Answer

Independent of absolute temperature

Answer

Directly proportional to square root of temperature

Answer

Inversely proportional to absolute temperature

Question 55

55. Who made volume and pressure correction to explain deviation of gases from ideal behavior?

Answer

Vander Waal

Question 56

56. Equal volume of all gases at same temperature and pressure contain number of molecules

Answer

No comparison

Answer

None of these

Answer

Multiples equal

Question 57

57. A balloon occupies a volume of 2.0 L at 40°C. How much volume will it occupy at 30°C?

Answer

None of these

Question 58

58. Which state of matter has lowest density?

Question 59

59. For an ideal gas, number of moles per liter in terms of its pressure P, gas constant R and temperature T is

Question 60

60. Air at sea level is dense. This is practical application of

Answer

Dalton’s law

Answer

Charle’s law

Answer

Avogadro’s law

Answer

Boyl’s law

Question 61

61. There is more deviation in the behavior of a gas from the ideal gas equation PV – nRT

Answer

At low temperature and low pressure

Answer

At high temperature and high pressure

Answer

At low temperature and high pressure

Answer

At high temperature and low pressure

Question 62

62. Which of the following describes the relationship between P and V?

Answer

Directly proportional

Answer

Inversely proportional

Answer

None of these

Question 63

63. Equal volumes of gases at the same temperature and pressure contain equal number of particles. This statement is direct consequence of

Answer

Partial law of volumes

Answer

Perfect gas law

Answer

Charles’ law

Answer

Ideal gas equation

Question 64

64. The kinetic theory of gases predicts that total kinetic energy of a gaseous assembly depends on

Answer

Pressure, temperature, and volume of the gas

Answer

Pressure of the gas

Answer

Volume of the gas

Answer

Temperature of the gas

Answer 200

The root mean square velocity of the gas can be calculated by the formula (3RT/M)

Answer 201

The mean kinetic energy of an ideal gas is independent of the pressure of the gas

Answer 202

The relationship between average velocity (v) and root mean square velocity (u) is v = 0.9213 u

Answer 203

Avogadro number = 6.02 x 10²¹

Answer 204

386 K (which equals 113.25 C)

Answer 205

61.8 K (Which equals -211.2 C)

Answer 206

All of these

Answer 207

247.2 K (Which equals -25.8C)

Answer 208

Chemical Property

Answer 209

Physical Change

Answer 210

Physical Property

Answer 211

Chemical Change

Answer 212

√927/27 times the earlier value

Answer 213

Same as before

Answer 214

Temperature is lowered and pressure is increased

Answer 215

Temperature and pressure both are increased

Answer 216

Temperature and pressure are both lowered

Answer 217

Temperature is increased and pressure is decreased

Answer 218

Collisions among the molecules of an ideal gas are perfectly elastic

Answer 219

All of the above are correct

Answer 220

Absence of intermolecular forces

Answer 221

The molecules occupy no space

Answer 222

All molecules behave independently

Answer 223

All molecules move with same speed

Answer 224

All gases cannot be liquefied through Lind’s Method

Total Questions:	73
Time Allowed:	40 Minutes
Total Marks:	73
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 Forms of Matter Test Online

Important Chemistry Forms of Matter Question and Answer

Chemistry Forms of Matter Practice Test Online With Explanation

Chemistry

How to Score High in Chemistry Forms of Matter Test Online?

Key Preparation Tips:

More Related Resources

Mustansar Khan

Leave a Reply Cancel reply

Important Chemistry Forms of Matter Question and Answer

Chemistry Forms of Matter Practice Test Online With Explanation

Chemistry

How to Score High in Chemistry Forms of Matter Test Online?

Key Preparation Tips:

More Related Resources

Latest Updates

Mustansar Khan

Leave a Reply Cancel reply