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

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

1. An aqueous solution with NaOH 10 g/L at the rate is 100 L/min and an organic compound with no NaOH at the rate 50 L/min were put into an extraction machine and produced aqueous solution with NaOH 1 g/L, what is the amount of NaOH in organic compound after extraction?
a) 2 g/L
b) 5 g/L
c) 9 g/L
d) 15 g/L
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2. To obtain a 100 Kg of 40 % N2 solution, how much nitrogen must be added to a 20% nitrogen solution?
a) 10 Kg
b) 25 Kg
c) 50 Kg
d) 75 Kg
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3. 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
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4. How much water was evaporated?
a) 10 Kg
b) 25 Kg
c) 35 Kg
d) 50 Kg
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5. To prepare a batch of 20% Acetic acid solution, two containers A and B are mixed. Container A has 400 kg of 80% Acetic acid, while container B has 15% Acetic acid. What is the total mass of Acetic acid in kg in the prepared solution?
a) 5700
b) 7600
c) 8000
d) 9800
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6. In preparing a batch of 20% Acetic acid solution, container A (400 kg) with 80% Acetic acid is mixed with container B, which has 15% Acetic acid. How much of container B, in kg, is used to achieve the desired concentration?
a) 4000
b) 6000
c) 8000
d) 10000
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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.