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 29 of 42

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Q281.
1 BTU/ft³ is approximately equal to __________ kcal/m³.

a.

1

b.

9

c.

4

d.

252

Discuss
Answer: (b).9
Q282.
At 100°C, water and methylcyclohexane both have vapour pressures of 1 atm. Also at 100°C, the latent heats of vaporisation of these compounds are 40.63 kJ/mole for water and 31.55 kJ/mole for methylcyclohexane. The vapour pressure of water at 150°C is 4.69 atm. At 150°C, the vapour pressure of methylcyclohexane would be expected to be

a.

significantly less than 4.69 atm.

b.

nearly equal to 4.69 atm.

c.

significantly more than 4.69 atm.

d.

indeterminate due to lack of data

Discuss
Answer: (c).significantly more than 4.69 atm.
Q283.
An ideal gas can be liquified, because

a.

its molecular size is very small.

b.

its critical temperature is more than 0°C.

c.

forces operative between its molecules are negligible.

d.

it gets solidified directly without becoming liquid.

Discuss
Answer: (c).forces operative between its molecules are negligible.
Q284.
The rate of material __________ is zero in case of a steady state system.

a.

accumulation

b.

production

c.

input

d.

generation

Discuss
Answer: (a).accumulation
Q285.
A metal oxide is reduced by heating it in a stream of hydrogen. After complete reduction, it is found that 3.15 gm of the oxide has yielded 1.05 gm of the metal. It may be inferred that the

a.

atomic weight of the metal is 4.

b.

equivalent weight of the metal is 4.

c.

atomic weight of the metal is 2.

d.

equivalent weight of the metal is 8.

Discuss
Answer: (b).equivalent weight of the metal is 4.
Q286.
1 kgf/cm² is not equal to

a.

1 torr

b.

1 bar

c.

10000 mm wc

d.

100 KPa = 100 000 N/m²

Discuss
Answer: (a).1 torr
Q287.
Pick out the wrong statement.

a.

Heat capacity of a diatomic gas is higher than that of a monoatomic gas.

b.

Equal volumes of Argon and Krypton contain equal number of atoms.

c.

Total number of molecules contained in 22.4 litres of hydrogen at NTP is 6.023 x 10²³.

d.

The binary mixture of a particular com-positidn in both vapor and liquid state is known as an azeotropic mixture

Discuss
Answer: (b).Equal volumes of Argon and Krypton contain equal number of atoms.
Q288.
Pick out the wrong statement.

a.

Raoult's law holds good for the solubility of polar gases in non-polar liquids.

b.

Molecules with symmetrical arrangement (e.g., CH₄ and CCl₄) are non-polar.

c.

Most of the hydrocarbons are nonpolar.

d.

Generally, nonpolar compounds are chemically inactive, conduct electricity poorly and do not ionise.

Discuss
Answer: (a).Raoult's law holds good for the solubility of polar gases in non-polar liquids.
Q289.
Which of the following ratios defines the recycle ratio in a chemical process ?

a.

Gross feed stream/recycle feed stream

b.

Recycle stream/fresh feed stream

c.

Recycle stream/gross feed stream

d.

None of these

Discuss
Answer: (b).Recycle stream/fresh feed stream
Q290.
NaOH contains __________ percent oxygen.

a.

1

b.

10

c.

16

d.

40

Discuss
Answer: (d).40
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