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 17 of 42

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Q161.
Simultaneous doubling of the absolute temperature of a gas and reduction of its pressure to half, will result in __________ in the volume of the gas.

a.

no change

b.

doubling

c.

1/4th reduction

d.

four fold increase

Discuss
Answer: (b).doubling
Q162.
pH value of an alkaline solution is

a.

7

b.

> 7

c.

< 7

d.

constant over a wide range

Discuss
Answer: (b).> 7
Q163.
1 kg of calcium carbide (CaC₂) produces about 0.41 kg of acetylene gas on treatment with water. How many hours of service can be derived from 1 kg of calcium carbide in an acetylene lamp burning 35 litres of gas at NTP per hour ?

a.

5

b.

10

c.

15

d.

20

Discuss
Answer: (b).10
Q164.
According to Raoult's law, "The vapor pressure exerted by component in a solution is proportional to the mole fraction of that component." Raoult's law is not applicable under the following assumption/condition.

a.

No component is concentrated at the surface of the solution.

b.

The component molecules are non polar and are of almost equal size.

c.

In the formation of solution, chemical combination/molecular association between unlike molecules takes place.

d.

The attractive forces between like and unlike molecules are almost equal.

Discuss
Answer: (c).In the formation of solution, chemical combination/molecular association between unlike molecules takes place.
Q165.
Kinematic viscosity of 1 m² /second is equivalent to __________ stokes.

a.

10

b.

102

c.

103

d.

104

Discuss
Answer: (d).104
Q166.
Pick out the wrong statement about the recycle stream in a process.

a.

Recycling in a process stream helps in utilising the valuable reactants to the maximum with minimum loss of reactants.

b.

The ratio of the quantity of a reactant present in the reactor feed of a recycling operation to the quantity of the same reactant entering the process as fresh feed is called combined feed ratio.

c.

Recycling in a process does not help in getting higher extent of reaction.

d.

Recycling is exemplified by refluxing back a part of the distillate to the distillation column to maintain the quantity of liquid within the column.

Discuss
Answer: (c).Recycling in a process does not help in getting higher extent of reaction.
Q167.
Methane is mixed with stoichiometric proportion of oxygen and completely combusted. The number of additional specifications required to determine the product flow rate and composition is

a.

0

b.

1

c.

2

d.

3

Discuss
Answer: (a).0
Q168.
An aqueous solution of 2.45% by weight H₂SO₄ has a specific gravity of 1.011. The composition expressed in normality is

a.

0.2500

b.

0.2528

c.

0.5000

d.

0.5055

Discuss
Answer: (d).0.5055
Q169.
Which of the following ideal gas laws are not applicable to mixture of gases ?

a.

Amgat's law

b.

Dalton's law

c.

Boyle's law & Charle's Law

d.

none of these

Discuss
Answer: (c).Boyle's law & Charle's Law
Q170.
A 'limiting reactant' is the one, which decides the __________ in the chemical reacation.

a.

equilibrium constant

b.

conversion

c.

rate constant

d.

none of these

Discuss
Answer: (b).conversion
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