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 26 of 42

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Q251.
Which of the following is not a unit of pressure?

a.

Parsec

b.

Kilo-pascal

c.

Bar

d.

Newton/metre²

Discuss
Answer: (a).Parsec
Q252.
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.
Q253.
Isotonic solutions must have the same

a.

viscosity

b.

molar concentration

c.

normality

d.

critical temperature

Discuss
Answer: (b).molar concentration
Q254.
The vapor pressures of benzene and toluene are 3 and 4/3 atmospheres respectively. A liquid feed of 0.4 moles of benzene and 0.6 moles of toluene is vapourised. Assuming that the products are in equilibrium, the vapor phase mole fraction of benzene is

a.

0.4

b.

0.6

c.

0.8

d.

0.2

Discuss
Answer: (b).0.6
Q255.
__________ kg of CaCO₃ on heating will give 56 kg of CaO.

a.

56 .

b.

100

c.

144

d.

1000

Discuss
Answer: (b).100
Q256.
Enthalpy of formation of NH₃ is - 46 kJ/kg mole. The enthalpy change for the gaseous reaction, 2NH₃ → N₂ + 3H₂, is equal to __________ kJ/kg. mole.

a.

46

b.

92

c.

-23

d.

-92

Discuss
Answer: (b).92
Q257.
Ideal solution is formed, when its components have zero

a.

heat of mixing.

b.

volume change.

c.

both (a) & (b).

d.

neither (a) nor (b).

Discuss
Answer: (c).both (a) & (b).
Q258.
Pick out the wrong statement:

a.

A vapor is termed as a saturated vapor, if its partial pressure equals its equilibrium vapor pressure.

b.

A vapor whose partial pressure is less than its equilibrium vapor pressure, is termed as a 'superheated vapor'.

c.

The temperature at which a vapor is saturated is termed as the boiling point.

d.

The difference between the existing temperature of a vapor and its saturation temperature (i.e. dew point) is called its 'degree of superheat'.

Discuss
Answer: (c).The temperature at which a vapor is saturated is termed as the boiling point.
Q259.
'Giga' stands for

a.

10⁹

b.

10⁻¹²

c.

10¹²

d.

10¹⁵

Discuss
Answer: (a).10⁹
Q260.
The equilibria relations in a multicom-ponent and multiphase system can not be calculated with the help of the

a.

phase rule

b.

experimental data

c.

emperical equations

d.

theoretical equations

Discuss
Answer: (a).phase rule
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