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 24 of 42

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Q231.
Pick out the wrong statement.

a.

Ten times dilution of a normal solution (N) reduces its normality to N/10.

b.

When equal weights of oxygen and methane are mixed in an empty reactor at room temperature, then the fraction of total pressure exerted by the oxygen is 1/2.

c.

Volume occupied by 9.034 x 10²³ atoms of oxygen in ozone (O₃) at NTP will be 11200 c.c

d.

One kg mole of an ideal gas at N.T.P occupies 22400 Nm³.

Discuss
Answer: (d).One kg mole of an ideal gas at N.T.P occupies 22400 Nm³.
Q232.
Pick out the wrong statement.

a.

To make 100 kg of a solution containing 40% salt by mixing solution A (containing 25% salt) and solution B (containing 50% salt), the amount of solution A required is 40 kg.

b.

1.2 gm atoms of carbon and 1.5 gm moles of oxygen are reacted to give 1 gm mole of carbon dioxide. The limiting reactant is carbon. The percent excess reactant supplied is 25.

c.

A gas bubble at a pressure of Pg is passed through a solvent with a saturation vapour pressure of Ps. If the time of passage of the bubble is long and air is insoluble in the solvent, the mole fraction of solvent in the bubble will be equal to Ps/Pg.

d.

A supersaturated solution of a sparingly soluble solute, at a concentration of C, is being fed to a crystalliser at a volumetric flow rate of V. The solubility .of the solute is C1. The output rate of solids from an efficient crystalliser is (C + C1) V.

Discuss
Answer: (d).A supersaturated solution of a sparingly soluble solute, at a concentration of C, is being fed to a crystalliser at a volumetric flow rate of V. The solubility .of the solute is C1. The output rate of solids from an efficient crystalliser is (C + C1) V.
Q233.
Pick out the correct conversion.

a.

1 BTU =453.6 calories

b.

1 BTU = 252 calories

c.

1 calorie = 252 BTU

d.

1 calorie = 453.6 BTU

Discuss
Answer: (b).1 BTU = 252 calories
Q234.
The maximum adiabatic flame temperature of fuels in air is __________ the maximum flame temperature in pure oxygen.

a.

lower than

b.

higher than

c.

same as

d.

not related to

Discuss
Answer: (a).lower than
Q235.
Which of the following is not used for computing latent heat of vaporisation ?

a.

Clausius-Clayperon equation

b.

Reference substance plots based on Durhing & Othmer plots

c.

Kistyakowasky's equation

d.

Hess's law of constant heat summation

Discuss
Answer: (d).Hess's law of constant heat summation
Q236.
Pick out the wrong unit conversion of temperature.

a.

°R = 273 + °F

b.

temperature difference of 1°K = 1°C = 9/5°F

c.

°C = (F- 32) x 0.555

d.

°F = (°C + 17.778) x 1.8

Discuss
Answer: (a).°R = 273 + °F
Q237.
"The total volume occupied by a gaseous mixture is equal to the sum of the pure component volumes". This is the __________ law.

a.

Dalton's

b.

Amgat's

c.

GayLussac's

d.

Avogadro's

Discuss
Answer: (b).Amgat's
Q238.
The osmotic pressure of a solution is directly proportional to the

a.

lowering of vapor pressure.

b.

molecular concentration of the solute.

c.

absolute temperature of a given concentration.

d.

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

Discuss
Answer: (d).all (a), (b) and (c).
Q239.
Which of the following is not a unit of pressure?

a.

Parsec

b.

Kilo-pascal

c.

Bar

d.

Newton/metre²

Discuss
Answer: (a).Parsec
Q240.
The temperature of a gas in a closed container is 27° C. If the temperature of the gas is incresed to 300° C, then the pressure exerted is

a.

doubled.

b.

halved.

c.

trebled.

d.

unpredictable.

Discuss
Answer: (d).unpredictable.
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