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 20 of 42

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Q191.
Which of the following has the least (almost negligible) effect on the solubility of a solute in a solvent ?

a.

Temperature

b.

Nature of solute

c.

Pressure

d.

Nature of solvent

Discuss
Answer: (c).Pressure
Q192.
If the partial pressure of the solvent in the vapor phase is equal to the vapor pressure of the solvent at that temperature, then the system is said to be at its

a.

bubble point.

b.

saturation temperature.

c.

dew point.

d.

both (b) and (c).

Discuss
Answer: (d).both (b) and (c).
Q193.
At higher temperatures, molal heat capacities for most of the gases (at constant pressure) __________ with increase in temperature.

a.

varies linearly

b.

increases

c.

decreases

d.

does not vary

Discuss
Answer: (b).increases
Q194.
Pick out the wrong unit conversion.

a.

l kgf= 9.8 Newton.

b.

1 stoke = 1 m²/second.

c.

1 Pascal second = 10 poise.

d.

1 ppm = 1 ml/m³ = 1 mg/kg.

Discuss
Answer: (b).1 stoke = 1 m²/second.
Q195.
Pick out the wrong unit conversion.

a.

1 Joule = 4.186 calorie.

b.

1 kcal = 3.968 BTU = 0.00116 kWh = 0.00156 hp.

c.

1 ton of TNT (tri-nitro-toluene) = 4.2 GJ (1G = 10โน).

d.

1 ft.lbf= 0.3238 calorie = 0.1383 kg.m = 1.356 J = 1.356 N.m.

Discuss
Answer: (a).1 Joule = 4.186 calorie.
Q196.
The accumulation in a steady state combustion process, burning 1 kg mole of carbon with 1 kg mole of oxygen thereby producing 1 kg mole of carbon dioxide, is __________ kg mole.

a.

1

b.

0

c.

16

d.

44

Discuss
Answer: (b).0
Q197.
Addition of a non-volatile solute to a pure solvent

a.

increases its freezing point.

b.

increases its boiling point.

c.

decreases its freezing point.

d.

both (b) and (c)

Discuss
Answer: (d).both (b) and (c)
Q198.
The depression in freezing point of a solution is

a.

inversely proportional to the mass of solvent.

b.

directly proportional to the mole of solute.

c.

both (a) and (b).

d.

neither (a) nor (b).

Discuss
Answer: (c).both (a) and (b).
Q199.
For the gaseous phase reaction,

Nโ‚‚ + Oโ‚‚ โ†” 2NO, ฮ”H = + 80 kJ/kg. mole;

the decomposition of NO is favoured by

a.

increasing the concentration of Nโ‚‚.

b.

decrease in temperature.

c.

increase in pressure.

d.

decrease in pressure.

Discuss
Answer: (b).decrease in temperature.
Q200.
Pick out the correct statement.

a.

Heat of solution is always positive.

b.

At equilibrium, ฮ”G is zero.

c.

For the reaction, PClโ‚… โ†” PClโ‚ƒ + Clโ‚‚, ฮ”G is less than ฮ”E

d.

The heating of water in a beaker is an example of an isolated system.

Discuss
Answer: (b).At equilibrium, ฮ”G is zero.
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