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 41 of 42

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Q401.
Pick out the wrong unit conversion of heat transfer rate.

a.

1 kcal/hr= 1.163 Watt.

b.

1 Watt = 1.163 kcal/hr.

c.

1 BTU/ft².hr = 2.712 kcal/m².hr.

d.

1 kcal/m².hr = 0.3687 BTU/ft².hr = 1.163 Watt/m².

Discuss
Answer: (b).1 Watt = 1.163 kcal/hr.
Q402.
A gas at 0°C is cooled at constant pressure until its volume becomes half the original volume. The temperature of the gas at this state will be

a.

-136.5°C

b.

- 136.5°K

c.

-273°C

d.

0°K

Discuss
Answer: (a).-136.5°C
Q403.
The crystallisation of a solute from a solution may be done by

a.

removal of pure solvent by evaporation.

b.

change of temperature thereby causing supersaturation.

c.

changing the nature of the system by the addition of a more soluble material.

d.

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

Discuss
Answer: (d).all (a), (b) & (c)
Q404.
At what temperature, given mass of a gas that occupies a volume of 2 litres at N.T.P. will occupy a volume of 4 litres, if the pressure of the gas is kept constant ?

a.

273°C

b.

273°K

c.

100°C

d.

200°C

Discuss
Answer: (a).273°C
Q405.
1 kg/m² is equal to __________ mm water column.

a.

1

b.

10

c.

100

d.

1000

Discuss
Answer: (a).1
Q406.
An equation for calculating vapour pressure is given by, log₁₀ P = A - B(t + c). This is called the

a.

Kistyakowsky equation

b.

Antonic equation

c.

Kopp's rule

d.

Trouton's rule

Discuss
Answer: (b).Antonic equation
Q407.
The value of the gas-law constant 'R' is 1.987

a.

kcal/kg-mole.°C

b.

Btu/lb-mole.°R

c.

kcal/kg-mole.°K

d.

both (b) & (c)

Discuss
Answer: (d).both (b) & (c)
Q408.
The combustion equations of carbon and carbon monoxide are as follows:

C + O₂ = CO₂, ΔH = - 394 kJ/kg . mole CO + 1/2 O₂ = CO₂, ΔH = - 284.5 kJ/kg. mole.

The heat of formation of CO is __________ kJ/kg. mole.

a.

-109.5

b.

+109.5

c.

+180

d.

+100

Discuss
Answer: (a).-109.5
Q409.
Dissolving a solute in a solvent does not change its

a.

specific heat

b.

vapour pressure

c.

viscosity

d.

none of these

Discuss
Answer: (d).none of these
Q410.
A reduction process is accompanied with increase in the

a.

number of electrons

b.

oxidation number

c.

both (a) & (b)

d.

neither (a) nor (b)

Discuss
Answer: (a).number of electrons
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