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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 heat capacity of a substance is ____________________?

A Greater for liquid state than for solid state

B Lower for liquid state than for gaseous state

C Higher for solid state than for liquid state

D Equal for solid and liquid states below melting point

Review Detailed Answer

Correct Answer: Greater for liquid state than for solid state

The value of Trouton’s ratio (λb/Tb) for a number of substances is 21 (where, λb = molal that of vaporisation of a substance at its normal boiling point, KCal/kg. mole and Tb = normal boiling point, °K). The Kistyakowsky equation is used for calculation of Trouton’s ratio of _____________ liquids?

A Polar

B Non-polar

C Both A. & B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Both A. & B.

The total number of atoms in 8.5 gm of NH3 is _______________ × 1023?

A 9.03

B 3.01

C 1.204

D 6.02

Review Detailed Answer

Correct Answer: 9.03

Weight of 56 litres of ammonia at N.T.P. is _____________ gm?

A 2.5

B 42.5

C 56

D 2800

Review Detailed Answer

Correct Answer: 2.5

As per Kirchhoff s equation, the heat of reaction is affected by the__________________?

A Pressure

B Volume

C Temperature

D Molecularity

Review Detailed Answer

Correct Answer: Temperature

Molality is defined as the number of gm moles of solute per _____________ of solvent?

A Litre

B kg

C gm.mole

D gm

Review Detailed Answer

Correct Answer: kg

A perfectly insulated container of volume V is divided into two equal halves by a partition. One side is under vacuum, while the other side has one mole of an ideal gas (with constant heat capacity) at 298 K. If the partition is broken, the final temperature of the gas in the container___________________?

A Will be greater than 298 K

B Will be 298 K

C Will be less than 298 K

D Cannot be determined

Review Detailed Answer

Correct Answer: Will be less than 298 K

A solution with reasonably permanent pH is called a/an _______________ solution?

A Ideal

B Non-ideal

C Buffer

D Colloidal

Review Detailed Answer

Correct Answer: Buffer

“The equilibrium value of the mole fraction of the gas dissolved in a liquid is directly proportional to the partial pressure of that gas above the liquid surface”. This statement pertaining to the solubility of gases in liquid is the ______________ law?

A Raoult’s

B Henry’s

C Amagat’s

D None of these

Review Detailed Answer

Correct Answer: Henry’s

The heat capacity of a solid compound is calculated from the atomic heat capacities of its constituent elements with the help of the___________________?

A Trouton’s rule

B Kopp’s rule

C Antoine equation

D Kistyakowsky equation

Review Detailed Answer

Correct Answer: Kopp’s rule

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

The heat capacity of a substance is ____________________?

The total number of atoms in 8.5 gm of NH3 is _______________ × 1023?

Weight of 56 litres of ammonia at N.T.P. is _____________ gm?

As per Kirchhoff s equation, the heat of reaction is affected by the__________________?

Molality is defined as the number of gm moles of solute per _____________ of solvent?

A solution with reasonably permanent pH is called a/an _______________ solution?

“The equilibrium value of the mole fraction of the gas dissolved in a liquid is directly proportional to the partial pressure of that gas above the liquid surface”. This statement pertaining to the solubility of gases in liquid is the ______________ law?

The heat capacity of a solid compound is calculated from the atomic heat capacities of its constituent elements with the help of the___________________?