MCQOPTIONS
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MCQOPTIONS
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. |
Which type of crystalline solid is also called as giant molecules? |
| A. | Ionic solids |
| B. | Covalent solids |
| C. | Polar molecular solids |
| D. | Metallic solids |
| Answer» C. Polar molecular solids | |
| 2. |
Which of the following is not a characteristic of metals? |
| A. | Lustre |
| B. | Ductile |
| C. | Malleable |
| D. | Brittle |
| Answer» E. | |
| 3. |
Which of the following are responsible for high electrical and thermal conductivity of a metal? |
| A. | Ions |
| B. | Covalent bonds |
| C. | Free H+ ions |
| D. | Free and mobile electrons |
| Answer» E. | |
| 4. |
Which of the following is an orderly collection of positive ions surrounded and held together by a sea of electrons? |
| A. | Gas |
| B. | Non-metal |
| C. | Metal |
| D. | Metalloids |
| Answer» D. Metalloids | |
| 5. |
Which of the following is non-conductor of electricity at solid state but can conduct electricity in the molten state or when dissolved in water? |
| A. | Non polar molecular solids |
| B. | Metallic solids |
| C. | Ionic solids |
| D. | Hydrogen bonded molecular solids |
| Answer» D. Hydrogen bonded molecular solids | |
| 6. |
Which type of solids are formed by three-dimensional arrangement of cations and anions bound by strong electrostatic force? |
| A. | Polar molecular solids |
| B. | Ionic solids |
| C. | Covalent solids |
| D. | Metallic solids |
| Answer» C. Covalent solids | |
| 7. |
Which of the following tend to be volatile liquids or soft solids at room temperature and pressure? |
| A. | Non polar molecular solids |
| B. | Metallic solids |
| C. | Polar molecular solids |
| D. | Hydrogen bonded molecular solids |
| Answer» E. | |
| 8. |
The molecules in polar molecular solid are held together by __________ |
| A. | dipole-dipole interaction |
| B. | london forces |
| C. | ionic bond |
| D. | metallic bond |
| Answer» B. london forces | |
| 9. |
Polar molecular solids are _________ |
| A. | bad conductors of electricity |
| B. | good conductors of electricity |
| C. | solid at room temperature |
| D. | brittle |
| Answer» B. good conductors of electricity | |
| 10. |
Which of the following consists of either atoms or molecules formed by non polar covalent bonds? |
| A. | Non polar molecular solid |
| B. | Metallic solid |
| C. | Polar molecular solid |
| D. | Ionic solid |
| Answer» B. Metallic solid | |