Moles,Density and Concentration MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Moles,Density and Concentration, 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 Moles,Density and Concentration 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 Moles,Density and Concentration mcq questions that explore various aspects of Moles,Density and Concentration problems. Each MCQ is crafted to challenge your understanding of Moles,Density and Concentration 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 Moles,Density and Concentration 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 Moles,Density and Concentration. 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 Moles,Density and Concentration knowledge to the test? Let's get started with our carefully curated MCQs!

Moles,Density and Concentration MCQs | Page 7 of 10

Discover more Topics under Basic Chemical Engineering

Q61.
A mixture contains 9 gram each of H₂O and NaCl, what is the mole fraction of NaCl?

a.

0.15

b.

0.23

c.

0.45

d.

0.64

Discuss
Answer: (b).0.23
Q62.
A mixture contains 10 grams each of CH₄, H₂O, and SO₂, what is the mole fraction of CH₄?

a.

0.14

b.

0.31

c.

0.46

d.

0.67

Discuss
Answer: (c).0.46
Q63.
A mixture contains 80% of HCl and 20% H₂O by weight, what is the mole fraction of HCl?

a.

0.15

b.

0.29

c.

0.45

d.

0.66

Discuss
Answer: (d).0.66
Q64.
A mixture contains 80% of NaOH and 20% H₂O by weight, what is the mole fraction of NaOH?

a.

0.24

b.

0.42

c.

0.64

d.

0.78

Discuss
Answer: (c).0.64
Q65.
A compound contains 40% of Sulphur and 60% of Oxygen, what is the empirical formula of the compound?

a.

SO₂

b.

SO₃

c.

SO₄

d.

None of the mentioned

Discuss
Answer: (b).SO₃
Q66.
What is the molecular weight of a mixture that contains 25% CO₂, 40% O₂ and 35% N₂?

a.

11.2 g

b.

22.4 g

c.

33.6 g

d.

44.8 g

Discuss
Answer: (c).33.6 g
Q67.
What is the weight of 10 moles of a mixture with composition 15% O₂, 25% SO₂, 30% COCl₂ , 25% SO₃ and 5% N₂?

a.

124

b.

345

c.

507

d.

719

Discuss
Answer: (d).719
Q68.
If a compound contains 48% of Carbon, 48% of oxygen and 8% of hydrogen by weight, then what is the possible molecular formula of the compound?

a.

C₂H₄O

b.

CH₄O₃

c.

C₄H₄O₃

d.

C₄H₈O₃

Discuss
Answer: (d).C₄H₈O₃
Q69.
A compound contain 12% of carbon, 16% of oxygen, 28% of nitrogen, 4% of hydrogen and 40% calcium by weight, then what can be the possible formula of the compound?

a.

C₂H₃N₂Ca(OH)

b.

CH₄N₄Ca₂(OH)

c.

CH₃N₂Ca₂(OH)

d.

None of the mentioned

Discuss
Answer: (c).CH₃N₂Ca₂(OH)
Q70.
What is the value of x in C₂H₈(OH)x if the percentage by weight of hydrogen is 12%?

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (d).4
Page 7 of 10