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

Discover more Topics under Basic Chemical Engineering

Q251.
The temperature at which real gases obey the ideal gas law over a wide range of pressure is called the __________ temperature.

a.

reduced

b.

Boyle

c.

critical

d.

inversion

Discuss
Answer: (d).inversion
Q252.
Unrestrained expansion of an ideal gas does not result in its cooling due to the reason that the gas molecules

a.

do not lose energy on collision.

b.

are above the inversion temperature.

c.

do not exert attractive force on each other.

d.

do work equal to loss in kinetic energy.

Discuss
Answer: (c).do not exert attractive force on each other.
Q253.
Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the

a.

nature of the liquid.

b.

nature of the gas.

c.

temperature of the liquid. id) total pressure.

d.

None of the above

Discuss
Answer: (b).nature of the gas.
Q254.
Air at a temperature of 20°C and 750 mm Hg pressure has a relative humidity of 80%. What is its percentage humidity ? Vapour pressure of water at 20°C is 17.5 mm Hg.

a.

80.38

b.

80

c.

79.62

d.

78.51

Discuss
Answer: (c).79.62
Q255.
One mole of methane undergoes complete combustion in a stoichiometric amount of air. The reaction proceeds as CHβ‚„ + 2Oβ‚‚ β†’ COβ‚‚ + 2Hβ‚‚O. Both the reactants and products are in gas phase. Ξ”H°β‚‚β‚‰β‚ˆ = - 730 kJ/mole of methane. If the average specific heat of all the gases/vapour is 40 J/mole.K, the maximum temperature rise of the exhaust gases in °C would be approximately equal to

a.

1225

b.

1335

c.

1525

d.

1735

Discuss
Answer: (d).1735
Q256.
As per Kirchoff s equation, the heat of reaction is affected by the

a.

pressure

b.

volume

c.

temperature

d.

molecularity

Discuss
Answer: (c).temperature
Q257.
If 1 Nm³ of Oβ‚‚ contains 'N' number of molecules, then number of molecules in 2 Nm³ of SOβ‚‚ will be

a.

N

b.

N/2

c.

2N

d.

4N

Discuss
Answer: (c).2N
Q258.
The most convenient way of expressing solution concentration is in terms of

a.

mole fraction

b.

normality

c.

molality

d.

molarity

Discuss
Answer: (d).molarity
Q259.
Unit of mass velocity is

a.

kg/m . hr

b.

kg/m².hr

c.

kg/hr

d.

kg/m²

Discuss
Answer: (b).kg/m².hr
Q260.
Enthalpy change resulting, when unit mass of solid is wetted with sufficient liquid, so that further addition of liquid produces no additional thermal effect, is called the heat of

a.

mixing

b.

adsorption

c.

wetting

d.

complete wetting

Discuss
Answer: (d).complete wetting
Page 26 of 42