Chemical Process Calculation Questions and Answers – Material Balance without Reaction-IV

This set of Chemical Process Calculation Multiple Choice Questions & Answers focuses on “Material Balance without Reaction-IV”.

1. Distillation is a separating process based on __________ of liquid mixture.
a) Vaporizing
b) Condensation
c) Freezing
d) None of the mentioned
View Answer

Answer: a
Explanation:. Distillation is a separating process based on Vaporizing of liquid mixture.

2-8. For the given distillation column
1000 Kg of feed is given to the column and the efficiency of the column is 10%.
Find the amount of product if efficiency of column is 10%
2. What is the amount of product?
a) 10 Kg
b) 100 Kg
c) 1000 Kg
d) None of the mentioned
View Answer

Answer: b
Explanation: Product in Kg = 1000*0.1 = 100 Kg.

3. What is amount of CH3OH in the feed?
a) 200 Kg
b) 400 Kg
c) 600 Kg
d) 800 Kg
View Answer

Answer: a
Explanation: CH3OH in the feed = 1000*0.2 = 200 Kg.
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4. What is amount of H2O in the feed?
a) 200 Kg
b) 400 Kg
c) 600 Kg
d) 800 Kg
View Answer

Answer: d
Explanation: H2O in the feed = 1000*0.8 = 800 Kg.

5. What is amount of CH3OH in the product?
a) 25 Kg
b) 50 Kg
c) 75 Kg
d) 100 Kg
View Answer

Answer: b
Explanation: CH3OH in the product = 100*0.5 = 500 Kg.
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6. What is amount of H2O in the product?
a) 25 Kg
b) 50 Kg
c) 75 Kg
d) 100 Kg
View Answer

Answer:
Explanation: H2O in the product = 100*0.5 = 500 Kg.

7. What is amount of CH3OH in the waste?
a) 150 Kg
b) 250 Kg
c) 450 Kg
d) 750 Kg
View Answer

Answer: a
Explanation: Waste = Product – Feed.
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8. What is amount of H2O in the waste?
a) 150 Kg
b) 250 Kg
c) 450 Kg
d) 750 Kg
View Answer

Answer:
Explanation: Waste = Product – Feed.

9. 50 Kg of a solid liquid mixture containing 10% solid and 90% water is left open in atmosphere, after some time the water is 80%, what is the weight of the mixture now?
a) 10 Kg
b) 25 Kg
c) 35 Kg
d) 50 Kg
View Answer

Answer: b
Explanation: Make solid and water balance.
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10. How much water was evaporated?
a) 10 Kg
b) 25 Kg
c) 35 Kg
d) 50 Kg
View Answer

Answer: b
Explanation: Evaporated water = Initial amount of solution – Final amount of solution.

Sanfoundry Global Education & Learning Series – Chemical Process Calculation.
To practice all areas of Chemical Process Calculation, here is complete set of 1000+ Multiple Choice Questions and Answers.

If you find a mistake in question / option / answer, kindly take a screenshot and email to [email protected]

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Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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