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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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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.

All Topics  9594

A sugar solution containing _________________ percent sugar is equivalent to 1 Brix?
A 0.01
B 0.1
C 1
D 10
Correct Answer: 1
pH value of a solution containing 1 gm of hydrogen ion per litre will be ____________________?
A 0
B 1
C 7
D 10
Correct Answer: 0
Equal masses of CH4 and H2 are mixed in an empty container. The partial pressure of hydrogen in this container expressed as the fraction of total pressure is___________________?
A 1/9
B 8/9
C 1/2
D 5/9
Correct Answer: 8/9
No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules____________________?
A Collide without loss of energy
B Do work equal to loss in kinetic energy
C Are above the inversion temperature
D Exert no attractive force on each other
Correct Answer: Are above the inversion temperature
Density of carbon dioxide is _________________ kg/Nm3 ?
A 44/22400
B 44/22.4
C 22.4/44
D None of these
Correct Answer: 44/22.4
The ratio of existing moles of vapor per mole of vapor free gas to the moles of vapor that would be present per mole of vapor free gas, if the mixture were saturated at the existing temperature & pressure, is termed as the_____________________?
A Relative humidity
B Relative saturation
C Percentage saturation
D None of these
Correct Answer: Percentage saturation
Molar heat capacity of water in equilibrium with ice at constant pressure is_____________________?
A 0
B ∞
C 1
D None of these
Correct Answer: ∞
The percentage ratio of the partial pressure of the vapor to the vapor pressure of the liquid at the existing temperature is_____________________?
A Termed as relative saturation
B Not a function of the composition of gas mixture
C Called percentage saturation
D Not a function of the nature of vapor
Correct Answer: Termed as relative saturation
At room temperature, the product [H+] [OH-] in a solution is 10-14 moles/litre. If, [OH-] = 10-6 moles/litre, then the pH of the solution will be ________________________?
A 6
B 8
C 10
D 12
Correct Answer: 8
For most salts, the solubility increases with rise in temperature, but the solubility of _______________ is nearly independent of temperature rise?
A Sodium chloride
B Sodium carbonate monohydrate
C Anhydrous sodium sulphate
D Hypo
Correct Answer: Sodium chloride
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