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 38 of 42

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Q371.
What is the total pressure exerted by a mixture of 0.45 kg mole of benzene, 0.44 kg mole of toluene and 0.23 kg mole of o-xylene at 100°C, if their vapor pressures at 100°C are 1340, 560 and 210 mmHg respectively ?

a.

756.2

b.

780.5

c.

801.5

d.

880.5

Discuss
Answer: (c).801.5
Q372.
1 kg/cm² is equal to

a.

760 torr

b.

1KPa

c.

10 metres of water column

d.

1 metre of water column

Discuss
Answer: (c).10 metres of water column
Q373.
An azeotropic solution of two liquids has boiling point lower than either of them, when it

a.

is saturated.

b.

is unsaturated.

c.

shows negative deviation from Raoult's law.

d.

shows positive deviation from Raoult's law.

Discuss
Answer: (d).shows positive deviation from Raoult's law.
Q374.
For a given mass of a gas at constant temperature, if the volume 'V' becomes three times, then the pressure 'P' will become

a.

P/3

b.

3P

c.

9P²

d.

9P

Discuss
Answer: (a).P/3
Q375.
One kg of saturated steam at 100°C and 1.01325 bar is contained in a rigid walled vessel. It lias a volume of 1.673 m³. It cools to 98°C ; the saturation pressure is 0.943 bar ; one kg of water vapour under these conditions has a volume of 1.789 m³. The latent heat of condensation (kJ/kg⁻¹ ) under these conditions is

a.

40732

b.

2676

c.

2263

d.

540

Discuss
Answer: (c).2263
Q376.
Weight of 56 litres of ammonia at N.T.P. is __________ gm.

a.

2.5

b.

42.5

c.

56

d.

2800

Discuss
Answer: (b).42.5
Q377.
Concentration of a solution expressed in terms of __________ is independent of temperature.

a.

molarity

b.

normality

c.

molality

d.

none of these

Discuss
Answer: (c).molality
Q378.
The average translational kinetic energy with which a gas molecule is endowed is dependent on its

a.

nature

b.

size

c.

absolute temperature

d.

all (a), (b) & (c)

Discuss
Answer: (c).absolute temperature
Q379.
The vapor pressure of a substance, at its melting point, is __________ in the solid state as compared to that in the liquid state.

a.

less

b.

more

c.

same

d.

either (a) or (b); depends on the nature of the substance

Discuss
Answer: (c).same
Q380.
Heat of __________ of a fuel is called its calorific value.

a.

formation

b.

combustion

c.

reaction

d.

vaporisation

Discuss
Answer: (b).combustion
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