MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Separation Processes knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Salt distillation can be applied to organic compounds that have little capacity of dissolving inorganic salts by using organic salts called? |
| A. | Hydrotopes |
| B. | Hygrotopes |
| C. | Hydrostattic materials |
| D. | Hydrating materials |
| Answer» B. Hygrotopes | |
| 2. |
In the column, the presence of dissolved salt my increase __________ |
| A. | Yield |
| B. | Efficiency |
| C. | Foaming |
| D. | Residence time |
| Answer» D. Residence time | |
| 3. |
SALT_DISTILLATION_CAN_BE_APPLIED_TO_ORGANIC_COMPOUNDS_THAT_HAVE_LITTLE_CAPACITY_OF_DISSOLVING_INORGANIC_SALTS_BY_USING_ORGANIC_SALTS_CALLED??$ |
| A. | Hydrotopes |
| B. | Hygrotopes |
| C. | Hydrostattic materials |
| D. | Hydrating materials |
| Answer» B. Hygrotopes | |
| 4. |
In the column, the presence of dissolved salt my increase _________? |
| A. | Yield |
| B. | Efficiency |
| C. | Foaming |
| D. | Residence time |
| Answer» D. Residence time | |
| 5. |
_______ of potassium acetate can eliminate ethanol-water azeotrope. |
| A. | Large concentrations |
| B. | Low concentrations |
| C. | Large amount |
| D. | Small amounts |
| Answer» C. Large amount | |
| 6. |
Which is the most important problem in salt distillation? |
| A. | Pollution |
| B. | Corrosion |
| C. | Not cost efficient |
| D. | Requires large quantity of salts |
| Answer» C. Not cost efficient | |
| 7. |
The salt which must be soluble in reflux is recovered by __________ and _________ |
| A. | Evaporation and crystallization |
| B. | Decantation and settling |
| C. | Evaporation and distillation |
| D. | Distillation and fractional crystallization |
| Answer» B. Decantation and settling | |
| 8. |
Which salt solution in glycerol is not used to separate ethanol from water? |
| A. | Calcium chloride |
| B. | Zinc chloride |
| C. | Potassium carbonate |
| D. | Ferric sulphate |
| Answer» E. | |
| 9. |
Which salt decreases the volatility of water, and has a strong affinity for methanol? |
| A. | Sodium chloride |
| B. | Calcium chlorate |
| C. | Calcium chloride |
| D. | Potassium iodide |
| Answer» D. Potassium iodide | |
| 10. |
The water vapor pressure and purity of acetone can be increased using? |
| A. | Large amount of water |
| B. | Metal oxides in water |
| C. | Minerals dissolved in water |
| D. | Using an inorganic-salt solution |
| Answer» E. | |
| 11. |
What is the disadvantage of using water in distillation of acetone and methanol? |
| A. | Purity is not much |
| B. | Acetone is less pure |
| C. | Large amount of water required |
| D. | Large amount of yields not possible |
| Answer» D. Large amount of yields not possible | |