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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

Numbers of subatomic particles?

  • 2
  • 3
  • 1
  • more than 3
0 Comments
Correct Answer: D. more than 3

Explanation:

Atoms are very small units of matter, and they are built from even ... Read More Details

2 Physical Chemistry MCQs

The fundamental ways to transfer energy are:

  • Pressure and temperature
  • Pressure and volume
  • Heat and volume
  • Heat and work
0 Comments
Correct Answer: D. Heat and work

Explanation:

Energy transfer is a key concept in physical chemistry and thermodynamics. There are ... Read More Details

3 Physical Chemistry MCQs

Which compound has the lowest lattice energy?

  • NaF
  • NaCl
  • KCl
  • CsI
0 Comments
Correct Answer: D. CsI

Explanation:

Lattice energy is the energy released when gaseous ions come together to form ... Read More Details

4 Physical Chemistry MCQs

The theory which explains the behavior of particles of matter in motion is called?

  • Bohr’s Theory
  • Dalton’s Theory
  • Kinetic Molecular Theory
  • None
0 Comments
Correct Answer: C. Kinetic Molecular Theory

Explanation:

The Kinetic Molecular Theory (KMT) is the theory that explains the behavior of ... Read More Details

5 Physical Chemistry MCQs

According to Kinetic Molecular Theory gas molecules move in_______path?

  • Straight
  • Parabolic
  • Zig-zag
  • Hyperbolic
0 Comments
Correct Answer: A. Straight

Explanation:

The Kinetic Molecular Theory (KMT) explains the behavior of gases based on the ... Read More Details

6 Physical Chemistry MCQs

Value of normal atmospheric pressure at sea level at 0°C is?

  • 1 atm
  • 760 Torr
  • 76 cm of Hg
  • All of these
0 Comments
Correct Answer: D. All of these

Explanation:

The term atmospheric pressure refers to the pressure exerted by the weight of ... Read More Details

7 Physical Chemistry MCQs

Barometer was invented by ?

  • Pascal
  • Torricelli
  • Newton
  • Huygen
0 Comments
Correct Answer: B. Torricelli

Explanation:

A barometer is a scientific instrument designed to measure atmospheric pressure. The credit ... Read More Details

8 Physical Chemistry MCQs

Which of the following is known as absolute zero?

  • 0°C
  • 273K
  • 273.16°C
  • -273.16°C
0 Comments
Correct Answer: D. -273.16°C

Explanation:

Absolute zero is a fundamental concept in thermodynamics and physical chemistry, representing the ... Read More Details

9 Physical Chemistry MCQs

Charle’s Law was given by Jacques Charles in?

  • 1785
  • 1787
  • 1880
  • 1885
0 Comments
Correct Answer: B. 1787

Explanation:

Charles’s Law is one of the fundamental gas laws in physical chemistry. It ... Read More Details

10 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:

The concept of ideal gas behavior comes from the Ideal Gas Law:


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