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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

Chemical Engineering MCQs designed for job test and interview preparation, particularly for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover important topics such as the fundamentals of chemical engineering, chemical processes, chemical reactions, process control, and instrumentation, along with other key concepts in the field.

The quantity of heat required to evaporate 1 kg of a saturated liquid is called __________________?

A Specific heat

B 1 Kcal

C Sensible heat

D Latent heat

Review Detailed Answer

Correct Answer: Latent heat

Unrestrained expansion of an ideal gas does not result in its cooling due to the reason that the gas molecules ____________________?

A Do not lose energy on collision

B Are above the inversion temperature

C Do not exert attractive force on each other

D Do work equal to loss in kinetic energy

Review Detailed Answer

Correct Answer: Do not exert attractive force on each other

Which of the following is not a colligative property ?

A Osmotic pressure

B Depression of freezing point

C Lowering of vapor pressure

D None of these

Review Detailed Answer

Correct Answer: None of these

Total energy at a point comprises of _____________ energy?

A Potential & kinetic

B Pressure

C Internal

D All A., B. & C.

Review Detailed Answer

Correct Answer: All A., B. & C.

The temperature of a gas in a closed container is 27° C. If the temperature of the gas is increased to 300° C, then the pressure exerted is___________________?

A Doubled

B Halved

C Trebled

D Unpredictable

Review Detailed Answer

Correct Answer: Unpredictable

A gas mixture contains 6 moles of H2 and 2 moles of N2. If the total pressure of the gaseous mixture is 4 kgf/cm2; then the partial pressure of N2 in the mixture will be _____________ kgf/cm2 ?

A 1

B 2

C 4

D 8

Review Detailed Answer

Correct Answer: 1

Hess’s law of constant heat summation is based on conservation of mass. It deals with ___________________?

A Equilibrium constant

B Reaction rate

C Changes in heat of reaction

D None of these

Review Detailed Answer

Correct Answer: Changes in heat of reaction

In a neutral solution _________________?

A H+ ions are absent

B OH- ions are absent

C Both H+ and OH- ions are present in very small but equal concentration

D None of these

Review Detailed Answer

Correct Answer: Both H+ and OH- ions are present in very small but equal concentration

Number of gm moles of solute dissolved in one liter of a solution is called its____________________?

A Equivalent weight

B Molarity

C Molality

D Normality

Review Detailed Answer

Correct Answer: Molarity

A gaseous mixture contains 14 kg of N2, 16 kg of O2 and 17 kg of NH3. The mole fraction of oxygen is__________________?

A 0.16

B 0.33

C 0.66

D 0.47

Review Detailed Answer

Correct Answer: 0.33

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

The quantity of heat required to evaporate 1 kg of a saturated liquid is called __________________?

Unrestrained expansion of an ideal gas does not result in its cooling due to the reason that the gas molecules ____________________?

Which of the following is not a colligative property ?

Total energy at a point comprises of _____________ energy?

The temperature of a gas in a closed container is 27° C. If the temperature of the gas is increased to 300° C, then the pressure exerted is___________________?

A gas mixture contains 6 moles of H2 and 2 moles of N2. If the total pressure of the gaseous mixture is 4 kgf/cm2; then the partial pressure of N2 in the mixture will be _____________ kgf/cm2 ?

Hess’s law of constant heat summation is based on conservation of mass. It deals with ___________________?

In a neutral solution _________________?

Number of gm moles of solute dissolved in one liter of a solution is called its____________________?

A gaseous mixture contains 14 kg of N2, 16 kg of O2 and 17 kg of NH3. The mole fraction of oxygen is__________________?