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.
The latent heat of vaporisation

a.

decreases with increased temperature.

b.

decreases as pressure increases

c.

becomes zero at the critical point.

d.

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

Discuss
Answer: (d).all (a), (b) & (c).
Q342.
Assume that benzene is insoluble in water. The normal boiling points of benzene and water are 80.1 and 100°C respectively. At a pressure of 1 atm, the boiling point of a mixture of benzene and water is

a.

80.1°C.

b.

less than 80.1°C.

c.

100°C.

d.

greater than 80.1°C but less than 100°C.

Discuss
Answer: (d).greater than 80.1°C but less than 100°C.
Q343.
Pick out the wrong unit conversion of heat transfer co-efficient.

a.

1 kcal/m².hr.°C = 0.2048 BTU/ft².hr. °F. = 1.163 W/m².°K

b.

1 kcal/m².hr.°K = 1.163 W/m².°C

c.

1 W/m² . °C = 0.1761 BTU/ft².hr.°F.

d.

1 BTU/ft².hr.°F = 4.88 kcal/m².hr.°C = 20.44 kJ/m².hr°C = 5.678 W/m².°C.

Discuss
Answer: (b).1 kcal/m².hr.°K = 1.163 W/m².°C
Q344.
The value of gas constant 'R' is __________ kcal/kg.mole.°C.

a.

2.79

b.

1.987

c.

3.99

d.

none of these

Discuss
Answer: (d).none of these
Q345.
Diffusion is that property by virtue of which a perfume bottle when opened up in a room, makes the whole room fragrant with its smell. If a perfume 'X' diffuses twice as fast as another perfume 'Y'; what is the molecular weight of 'Y', if the vapor density of gas 'X' is 2 ? Molecular weight of gas 'X' is to be assumed to be 2.

a.

2

b.

4

c.

8

d.

16

Discuss
Answer: (d).16
Q346.
For estimation of heat capacity of a solid compound, one can use

a.

Clayperon's equation

b.

Gibb's equation

c.

Kopp's rule

d.

Trouton's rule

Discuss
Answer: (c).Kopp's rule
Q347.
With increase in the temperature of pure (distilled) water, its

a.

pOH decreases and pH increases.

b.

pOH and pH both 4ecreases.

c.

pH and pOH both increases.

d.

pH decreases and pOH increases.

Discuss
Answer: (b).pOH and pH both 4ecreases.
Q348.
Validity of the relationship, inputs = outputs, holds good for the system at steady state

a.

with chemical reaction.

b.

without chemical reaction.

c.

without chemical reaction & losses.

d.

none of these.

Discuss
Answer: (c).without chemical reaction & losses.
Q349.
Which of the following is not a unit of kinematic viscosity ?

a.

Poise

b.

Stoke

c.

cm²/second

d.

None of these

Discuss
Answer: (a).Poise
Q350.
1 torr is equal to __________ mm Hg column.

a.

1

b.

0.1

c.

10

d.

1000

Discuss
Answer: (a).1
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