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Physical Chemistry MCQs

Prepare thoroughly for exams with our carefully structured Physical Chemistry MCQs, designed for chemistry students and aspirants of science-related job tests. These multiple-choice questions cover important topics such as thermodynamics, chemical kinetics, atomic structure, gas laws, quantum chemistry, equilibrium, colligative properties, electrochemistry, phase rule, and thermochemistry. These questions are frequently included in tests conducted by PPSC, FPSC, CSS, NTS, SPSC, BPSC, KPSC, ETEA, AJKPSC, and are highly relevant for Lecturer Chemistry, lab analyst posts, and university-level exams (BSc, MSc Chemistry).

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1 Physical Chemistry MCQs

Which of the following is unit of Viscosity?

  • Decibell
  • Torr
  • Poise
  • Hertz
0 Comments
Correct Answer: C. Poise

Explanation:

Viscosity is a fundamental physical property of fluids that describes their resistance to ... Read More Details

2 Physical Chemistry MCQs

Which instrument is used to measure the viscosity?

  • Hygrometer
  • Hydrometer
  • Anemometer
  • Viscometer
0 Comments
Correct Answer: D. Viscometer

Explanation:

Viscosity is a measure of a fluid’s resistance to flow. It describes how ... Read More Details

3 Physical Chemistry MCQs

Hydrogen bonding is present in ?

  • Water
  • Ethyl Alcohol
  • Phenol
  • All of these
0 Comments
Correct Answer: D. All of these

Explanation:

Hydrogen bonding is a type of intermolecular force that arises when a hydrogen ... Read More Details

4 Physical Chemistry MCQs

The process by which a substance absorbs moisture upon exposure to atmosphere is called?

  • Efflorescence
  • Dehydrogenation
  • Desalination
  • Deliquescence
0 Comments
Correct Answer: D. Deliquescence

Explanation:

When certain solid substances are exposed to the atmosphere, they interact with water ... Read More Details

5 Physical Chemistry MCQs

Real gases show ideal behavior at_______?

  • Low Temp & High Pressure
  • High Temp & Low Pressure
  • High Temp & High Pressure
  • Low Temp & Low Pressure
0 Comments
Correct Answer: B. High Temp & Low Pressure

Explanation:

In physical chemistry, the behavior of gases is described by two main models: ... Read More Details

6 Physical Chemistry MCQs

Which of the following is unit of Viscosity?

  • Decibell
  • Torr
  • Poise
  • Hertz
0 Comments
Correct Answer: C. Poise

Explanation:

Viscosity is the measure of a fluid’s resistance to flow. It describes how ... Read More Details

7 Physical Chemistry MCQs

Viscosity of a liquid ________ by increasing temperature?

  • Remains same
  • Increases
  • Decreases
  • None
0 Comments
Correct Answer: C. Decreases

Explanation:

Viscosity is the measure of a fluid’s internal resistance to flow. In liquids, ... Read More Details

8 Physical Chemistry MCQs

Which instrument is used to measure the viscosity?

  • Hygrometer
  • Hydrometer
  • Anemometer
  • Viscometer
0 Comments
Correct Answer: D. Viscometer

Explanation:

Viscosity is a measure of a fluid's resistance to flow. It depends on ... Read More Details

9 Physical Chemistry MCQs

Hydrogen bonding is present in:

  • Water
  • Ethyl Alcohol
  • Phenol
  • All of these
0 Comments
Correct Answer: D. All of these

Explanation:

Hydrogen bonding is a type of strong dipole-dipole interaction that occurs when a ... Read More Details

10 Physical Chemistry MCQs

The process by which a substance absorbs moisture upon exposure to atmosphere is called?

  • Efflorescence
  • Dehydrogenation
  • Desalination
  • Deliquescence
0 Comments
Correct Answer: D. Deliquescence

Explanation:

Deliquescence is a physical process where certain substances absorb moisture from the air ... Read More Details

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