Stoichiometry MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Stoichiometry, a fundamental topic in the field of Basic Chemical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Stoichiometry MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Stoichiometry mcq questions that explore various aspects of Stoichiometry problems. Each MCQ is crafted to challenge your understanding of Stoichiometry principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Basic Chemical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Stoichiometry MCQs are your pathway to success in mastering this essential Basic Chemical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Stoichiometry. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Stoichiometry knowledge to the test? Let's get started with our carefully curated MCQs!

Stoichiometry MCQs | Page 29 of 42

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Q281.
Saturated molal absolute humidity of the vapor-gas mixture depends upon the

a.

vapor pressure at dry bulb temperature

b.

total pressure

c.

both (a) and (b)

d.

neither (a) nor (b)

Discuss
Answer: (c).both (a) and (b)
Q282.
At a constant volume, for a fixed number of moles of a gas, the pressure of the gas increases with rise of temperature due to

a.

decrease in mean free path.

b.

increased collision rate among molecules.

c.

increase in molecular attraction.

d.

increase in average molecular speed.

Discuss
Answer: (c).increase in molecular attraction.
Q283.
'Cox' chart which is useful in the design of a distillation column (particularly suitable for petroleum hydrocarbons) is a plot of the

a.

temperature vs. log (vapor pressure).

b.

vapor pressure vs. log (temperature).

c.

log (temperature) vs. log (vapor pressure).

d.

vapor pressure vs. temperature.

Discuss
Answer: (a).temperature vs. log (vapor pressure).
Q284.
Boiling point of a non-homogeneous mixture of immiscible liquids is __________ that of any one of its separate components.

a.

lower than

b.

higher than

c.

equal to

d.

either (a) or (b); depends on the liquids

Discuss
Answer: (a).lower than
Q285.
Internal energy of a substance comprises of the __________ energy.

a.

vibrational

b.

rotational

c.

translational

d.

all (a), (b) & (c)

Discuss
Answer: (d).all (a), (b) & (c)
Q286.
The heat of adsorption of a gas caused by Van der Walls forces of attraction and capillarity is equal to the heat of

a.

normal condensation.

b.

wetting.

c.

sum of (a) and (b).

d.

difference of (a) and (b).

Discuss
Answer: (c).sum of (a) and (b).
Q287.
The pressure of 'V' litres of a dry gas is increased from 1 to 2 kgf/cm² at a constant temperature. The new volume will become

a.

V/2

b.

2V

c.

V/4

d.

V²

Discuss
Answer: (a).V/2
Q288.
1 torr is equivalent to

a.

1 mm Hg

b.

1 Pascal

c.

1 ata

d.

1 mm wc

Discuss
Answer: (a).1 mm Hg
Q289.
Roult's law is obeyed by a __________ solution.

a.

saturated

b.

molar

c.

normal

d.

none of these

Discuss
Answer: (d).none of these
Q290.
A vapor whose partial pressure is less than its equilibrium vapor pressure is called a __________ vapor.

a.

saturated

b.

supersaturated

c.

superheated

d.

none of these

Discuss
Answer: (c).superheated
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