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 35 of 42

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Q341.
In physical adsorption, as compared to chemisorption, the

a.

quantity adsorbed per unit mass is higher.

b.

rate of adsorption is controlled by the resistance to surface reaction.

c.

activation energy is very high.

d.

heat of adsorption is very large.

Discuss
Answer: (a).quantity adsorbed per unit mass is higher.
Q342.
1 BTU/lb.←°F is equivalent to __________ kcal/kg.°C.

a.

1

b.

2.42

c.

1.987

d.

4.97

Discuss
Answer: (a).1
Q343.
The forces causing the vaporisation of liquid are derived from the Kinetic energy of translation of its molecules. The heat of vaporisation

a.

increases with pressure rise.

b.

decreases with increasing pressure.

c.

becomes zero at the critical point.

d.

both (b) & (c).

Discuss
Answer: (d).both (b) & (c).
Q344.
For a neutral solution (pH = 7), the value of[H⁺] [OH⁻] is equal to

a.

0

b.

1

c.

< 1

d.

> 1

Discuss
Answer: (b).1
Q345.
Which of the following gravity scales is used exclusively for liquids heavier than water ?

a.

Baumme scale

b.

Twaddel scale

c.

API scale

d.

none of these

Discuss
Answer: (b).Twaddel scale
Q346.
For any system, the __________ heat of solution is dependent on the temperature and the adsorbate concentration.

a.

integral

b.

differential

c.

both (a) & (b)

d.

neither (a) nor (b)

Discuss
Answer: (c).both (a) & (b)
Q347.
Osmotic pressure of the solution can be increased by

a.

decreasing its temperature.

b.

increasing the volume of the vessel containing the solution.

c.

diluting the solution.

d.

none of these.

Discuss
Answer: (d).none of these.
Q348.
Heat of neutralisation of a strong acid and strong base is always a constant value, i.e., 57 KJ/Kg mole. This is because

a.

the strong base and strong acid reacts completely.

b.

the salt formed does not hydrolyse.

c.

only OH⁻ and H⁺ ions react in every case.

d.

the strong base and strong acid reacts in aqueous solution.

Discuss
Answer: (c).only OH⁻ and H⁺ ions react in every case.
Q349.
1 gm mole of an alcohol whose molecular weight is 74 contains 48 gms of carbon, 10 gms of hydrogen and 16 gms of oxygen. Its molecular formula is

a.

C₄H₉OH

b.

C₃H₂₁OH

c.

(C₂H₄)₂H₂.OH

d.

C₂H₃₃OH

Discuss
Answer: (a).C₄H₉OH
Q350.
A solution with reasonably permanent pH is called a/an __________ solution.

a.

ideal

b.

non-ideal

c.

buffer

d.

colloidal

Discuss
Answer: (c).buffer
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