MCQOPTIONS
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This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In which of the following, the dispersed phase and medium can be separated by evaporation? |
| A. | Ferric hydroxide solution |
| B. | Sulphur solution |
| C. | Metal in water |
| D. | Starch solution |
| Answer» E. | |
| 2. |
Which of the following colloids is most stable? |
| A. | Starch solution |
| B. | Blood |
| C. | Sulphur solution |
| D. | Silver solution |
| Answer» B. Blood | |
| 3. |
Which of the following colloids cannot be formed by direct mixing? |
| A. | Lyophilic colloids |
| B. | Lyophobic colloids |
| C. | Macro-molecular colloids |
| D. | Associated colloids |
| Answer» C. Macro-molecular colloids | |
| 4. |
Which of the following is not an example of associated colloids? |
| A. | Sodium stearate |
| B. | Potassium stearate |
| C. | Gum |
| D. | Detergents |
| Answer» D. Detergents | |
| 5. |
Which of the following is false regarding macro-molecular colloids? |
| A. | Protein solution is an example for macro-molecular colloids |
| B. | Man-made macro-molecules like polythene can form such colloids |
| C. | Silver solution can form macro-molecular colloids |
| D. | These are normally of lyophilic type |
| Answer» D. These are normally of lyophilic type | |
| 6. |
Which of the following is a characteristic of a multi-molecular colloid? |
| A. | Large number of molecules combine to form a particle of colloidal size |
| B. | A large number of atoms aggregate to form a particle of colloidal size |
| C. | Starch solution is an example of multi-molecular colloid |
| D. | Multi-molecular colloids are normally of the lyophilic type |
| Answer» C. Starch solution is an example of multi-molecular colloid | |
| 7. |
Colloids are classified into multi-molecular, macro-molecular and associated colloids. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Which of the following is not an example of lyophobic colloids? |
| A. | Gold solution |
| B. | Sulphur solution |
| C. | NaCl solution |
| D. | Blood |
| Answer» D. Blood | |
| 9. |
Which of the following is not an example of lyophilic colloids? |
| A. | Starch solution |
| B. | Gelatin |
| C. | Gum |
| D. | Silver solution |
| Answer» E. | |
| 10. |
Colloids are classified into lyophobic and lyophilic colloids. |
| A. | True |
| B. | False |
| Answer» B. False | |