MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The nature of the crystallization process is governed by _____________ |
| A. | Thermodynamics |
| B. | Kinetic factors |
| C. | Thermodynamics and Kinetic factors |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 2. |
Crystal phases can be inter-converted by varying ____________ |
| A. | Temperature |
| B. | Pressure |
| C. | Size |
| D. | Viscosity |
| Answer» B. Pressure | |
| 3. |
The solution which is obtained after filtration is ____________ |
| A. | Suspended solution |
| B. | Clear solution |
| C. | Colloidal solution |
| D. | None of the mentioned |
| Answer» C. Colloidal solution | |
| 4. |
Insoluble impurities from solution during crystallization are removed by ____________ |
| A. | Drying |
| B. | Filtration |
| C. | Heating |
| D. | Cooling |
| Answer» C. Heating | |
| 5. |
The solution of impure compound and solvent is concentrated to get ____________ |
| A. | Unsaturated solution |
| B. | Undersaturaed solution |
| C. | Saturated solution |
| D. | Oversaturated solution |
| Answer» D. Oversaturated solution | |
| 6. |
At room temperature, the impure compound in crystallisation is ____________ |
| A. | Soluble |
| B. | Sparingly soluble |
| C. | Insoluble |
| D. | None of the mentioned |
| Answer» C. Insoluble | |
| 7. |
Crystallisation is based on the ____________ |
| A. | Difference in melting point |
| B. | Difference in boiling point |
| C. | Difference in pressure |
| D. | Difference in solubility |
| Answer» E. | |