Components, having widely different boiling point in a binary mixture, can be separated using ________________ distillation?

Related Mcqs:

1. According to the Fenske equation, what will be the minimum number of plates required in a distillation column to separate an equimolar binary mixture of components A and B into an overhead fraction containing 99 mol% A and a bottom fraction containing 98 mol% B ? Assume that relative volatility (αAB = 2) does not change appreciably in the column ?

   A. 5 B. 9 C. 12 D. 28...

2. The boiling points of pure components of a binary system ________________ with increase in total pressure of the system ?

   A. Decreases B. Increases C. Remains unchanged D. May increase or decrease, depends on the system...

3. A binary mixture of benzene and cyclohexane is separated by___________________?

   A. Flash vaporisation B. Extractive distillation C. Solvent extraction D. Ordinary distillation...

4. For a binary mixture distillation process, the degree of freedom is 2. However, if the pressure is fixed in this process, the number of independent variables in this process will be ___________________?

   A. 1 B. 0 C. 2 D. 3...

5. The-relative volatility for separation of a non-ideal binary mixture by distillation should be ___________________?

   A. 0 B. 1 C. > 1 D. < 1...

6. In case of ______________ distillation, a solvent is added to alter the relative volatility of the mixture to be separated?

   A. Molecular B. Azeotropic C. Extractive D. Flash...

7. When the mixture to be distilled has a very high boiling point and the product material is heat sensitive, the separation technique to be used is _______________ distillation?

   A. Continuous B. Steam C. Azeotropic D. None of these...

8. Which of the following binary systems is an example of a maximum boiling azeotrope ?

   A. Water-hydrochloric acid B. Acetone-carbon disulphide C. Water-ethyl alcohol D. n-heptane-n-octane...

9. The relative saturation of a partially saturated mixture of vapour and gas can be increased by ________________ of the mixture?

   A. Reducing the total pressure B. Increasing the total pressure C. Reducing the temperature D. Both B. and C....

10. An Azeotropic mixture is a ________________ mixture?

    A. Binary B. Ternary C. Constant boiling point D. None of these...