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 31 of 42

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Q301.
A solution having a pH value of 5 is less acidic than the one having a pH value of 2 by a factor of

a.

3

b.

100

c.

1000

d.

none of these

Discuss
Answer: (c).1000
Q302.
The vapor pressure of the solvent decreased by 10 mm Hg, when a non-volatile solute was added to the solvent. The mole fraction of the solute in the solution is 0.2. What should be the mole fraction of the solvent, if the decrease in vapor pressure of the solvent is required to be 20 mm Hg. ?

a.

0.2

b.

0.1

c.

0.4

d.

0.6

Discuss
Answer: (d).0.6
Q303.
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)
Q304.
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).
Q305.
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
Q306.
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
Q307.
Roult's law is obeyed by a __________ solution.

a.

saturated

b.

molar

c.

normal

d.

none of these

Discuss
Answer: (d).none of these
Q308.
Which of the following expressions defines the Baume gravity scale for liquids lighter than water ?

a.

°Be = (140/G) - 130

b.

°Be = 200(G-1)

c.

°Be = 145 - (145/G)

d.

°Be = (400/G) - 400

Discuss
Answer: (a).°Be = (140/G) - 130
Q309.
2 litres of nitrogen at N.T.P. weighs __________ gms.

a.

14

b.

2.5

c.

28

d.

1.25

Discuss
Answer: (b).2.5
Q310.
Which of the following is followed by an ideal solution ?

a.

Boyle's law

b.

Amgat's law

c.

Raoult's law

d.

Trouton's rule

Discuss
Answer: (c).Raoult's law
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