Material Balances MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Material Balances, 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 Material Balances 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 Material Balances mcq questions that explore various aspects of Material Balances problems. Each MCQ is crafted to challenge your understanding of Material Balances 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 Material Balances 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 Material Balances. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

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Material Balances MCQs | Page 14 of 20

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Q131.
A reactor is supplied with two steams with equal flow rates, stream-1 containing 75% SO₂, 25% N₂ and stream-2 containing pure H₂S, if the product has 1200 grams of S, and the ratio of H₂S to H₂O is 5 and the ratio of SO₂ to H₂S is 2, what fraction of limiting reagent is converted into product?

a.

0.21

b.

0.46

c.

0.73

d.

0.83

Discuss
Answer: (d).0.83
Q132.
A reactor is supplied with two steams with equal flow rates, stream-1 containing 75% SO₂, 25% N₂ and stream-2 containing pure H₂S, if the product has 1200 grams of S, and the ratio of H₂S to H₂O is 5 and the ratio of SO₂ to H₂S is 2, how many moles of water are produced?

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (a).1
Q133.
A reactor is supplied with two steams with equal flow rates, stream-1 containing 75% SO₂, 25% N₂ and stream-2 containing pure H₂S, if the product has 1200 grams of S, and the ratio of H₂S to H₂O is 5 and the ratio of SO₂ to H₂S is 2, what fraction of excess reagent is converted into product?

a.

0.23

b.

0.55

c.

0.74

d.

0.87

Discuss
Answer: (b).0.55
Q134.
A reactor is supplied with two steams with equal flow rates, stream-1 containing 75% SO₂, 25% N₂ and stream-2 containing pure H₂S, if the product has 1200 grams of S, and the ratio of H₂S to H₂O is 5 and the ratio of SO₂ to H₂S is 2, what is percentage of Sulfur in the product?

a.

23%

b.

47%

c.

61%

d.

84%

Discuss
Answer: (c).61%
Q135.
A reactor is supplied with 5 moles each of CH₃OH and O₂, and the following reactions occur, CH₃OH + 1/2O₂ -> CH₂O + H₂O and then CH₂O + 1/2O₂ -> CO + H₂O, the conversion of methanol is 80% in first reaction, and conversion of CH₂O is 50% in second reaction. How many moles of CO are produced?

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (b).2
Q136.
A reactor is supplied with 5 moles each of CH₃OH and O₂, and the following reactions occur, CH₃OH + 1/2O₂ -> CH₂O + H₂O and then CH₂O + 1/2O₂ -> CO + H₂O, the conversion of methanol is 80% in first reaction, and conversion of CH₂O is 50% in second reaction. How many moles of H₂O are produced?

a.

2

b.

3

c.

5

d.

6

Discuss
Answer: (d).6
Q137.
A reactor is supplied with 5 moles each of CH₃OH and O₂, and the following reactions occur, CH₃OH + 1/2O₂ -> CH₂O + H₂O and then CH₂O + 1/2O₂ -> CO + H₂O, the conversion of methanol is 80% in first reaction, and conversion of CH₂O is 50% in second reaction. How many moles of CH₂O came out of the reactor?

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (b).2
Q138.
A reactor is supplied with 5 moles each of CH₃OH and O₂, and the following reactions occur, CH₃OH + 1/2O₂ -> CH₂O + H₂O and then CH₂O + 1/2O₂ -> CO + H₂O, the conversion of methanol is 80% in first reaction, and conversion of CH₂O is 50% in second reaction. How many moles of O₂ are there in the products?

a.

1.75

b.

2

c.

3.25

d.

5.5

Discuss
Answer: (a).1.75
Q139.
A reactor is supplied with 5 moles each of CH₃OH and O₂, and the following reactions occur, CH₃OH + 1/2O₂ -> CH₂O + H₂O and then CH₂O + 1/2O₂ -> CO + H₂O, the conversion of methanol is 80% in first reaction, and conversion of CH₂O is 50% in second reaction. How many moles of CH₃OH are there in the products?

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (a).1
Q140.
A reactor is supplied with C₆H₁₂O₆ and the following reactions occur C₆H₁₂O₆ -> 2C₂H₅OH + 2CO₂ and C₆H₁₂O₆ –> 2C₂H₃CO₂H + 2H₂O, 360 grams of pure glucose is supplied and 44 grams of CO₂ was produced, what 90 grams of glucose left unreacted, how many grams of propenoic acid was produced?

a.

18

b.

36

c.

72

d.

144

Discuss
Answer: (d).144
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