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Chapter-4 - 11th - Liquids and Solids Preparation Multiple Questions and Answers.
| 1. | NaCI is face centered cubic structure. The Na ion at the face of the unit cell is shared by | ||
| A. | 2-unit cells | ||
| B. | 4-unit cells | ||
| C. | Only one unit cell | ||
| D. | 8-unit cells | ||
| 2. | Which of the following elements in its crystalline form will have the lowest enthalpy change of vaporization | ||
| A. | Chlorine | ||
| B. | Argon | ||
| C. | Phosphorus | ||
| D. | Silicon | ||
| 3. | The boiling point of water at Murree Hills. | ||
| A. | 90oC | ||
| B. | 98oC | ||
| C. | 100oC | ||
| D. | 120oC | ||
| 5. | In which , case particles are separated from each other. | ||
| A. | Fusion | ||
| B. | Condensation | ||
| C. | Neutralizations | ||
| D. | Vaporization | ||
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