In a chemical process, the recycle stream is purged for increasing the product y

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Question
In a chemical process, the recycle stream is purged for
Options
A. increasing the product yield.
B. enriching the product.
C. limiting the inerts.
D. heat conservation.

Correct Answer

limiting the inerts.

Stoichiometry problems

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2. Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the
Options
A. nature of the liquid.
B. nature of the gas.
C. temperature of the liquid. id) total pressure.

6. If a solution of eutectic composition is cooled, __________ reaching the eutectic temperature.
Options
A. the solvent begins to freeze out even before
B. it will undergo no change until
C. it will not solidify even on
D. none of these

7. The equilibrium data of component A in the two phases B and C are given below.

The estimate of Y for X = 4 by fitting a quadratic expression of a form Y = mX² for the above data is
Options
A. 15.5
B. 16
C. 16.5
D. 17

9. A perfectly insulated container of volume V is divided into two equal halves by a partition. One side is under vacuum, while the other side has one mole of an ideal gas (with constant heat capacity) at 298 K. If the partition is broken, the final temperature of the gas in the container
Options
A. will be greater than 298 K.
B. will be 298 K.
C. will be less than 298 K.
D. can not be determined.

10. Na₂SO₄. 10H₂O crystals are formed by cooling 100 Kg of 30% by weight aqueous solution of Na₂SO₄. The final concentration of the solute in the solution is 10%. The weight of crystals is
Options
A. 20
B. 32.2
C. 45.35
D. 58.65

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