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 23 of 42

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Q221.
In a mixture of benzene vapor and nitrogen gas at a total pressure of 900 mm Hg, if the absolute humidity of benzene is 0.2 kg benzene/kg nitrogen, the partial pressure of benzene in mm Hg is

a.

180

b.

60.3

c.

720

d.

200

Discuss
Answer: (b).60.3
Q222.
For an ideal gas, the compressibility factor

a.

decreases with pressure rise.

b.

is unity at all temperature.

c.

is unity at Boyle's temperature.

d.

zero.

Discuss
Answer: (b).is unity at all temperature.
Q223.
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)
Q224.
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).
Q225.
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
Q226.
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
Q227.
Roult's law is obeyed by a __________ solution.

a.

saturated

b.

molar

c.

normal

d.

none of these

Discuss
Answer: (d).none of these
Q228.
One 'Therm' is equivalent to

a.

10โต BTU

b.

10โต kcal

c.

10โน BTU

d.

10โน kcal

Discuss
Answer: (a).10โต BTU
Q229.
A gas at 0°C was subjected to constant pressure cooling until its volume became half the original volume. The temperature of the gas at this stage will be

a.

0°C

b.

0°K

c.

-136.5°C

d.

-136.5°K

Discuss
Answer: (c).-136.5°C
Q230.
A car tyre of volume 0.057 m³ is inflated to 300 kPa at 300 K. After the car is driven for 10 hours, the pressure in the tyre increases to 330 kPa. Assume air is an ideal gas and Cแตฅ for air is 21 J/mole.K. The change in the internal energy of air in the tyre in J/mole is

a.

380

b.

630

c.

760

d.

880

Discuss
Answer: (b).630
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