MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Applied Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
MEGA_TUBES_ARE_USED_FOR___________?$ |
| A. | Transport |
| B. | Chemical industries |
| C. | Laboratories |
| D. | Preparation of compounds |
| Answer» B. Chemical industries | |
| 2. |
Spherical particles based on the multiple layers surrounding a buck ball core is called ___________ |
| A. | Nano onions |
| B. | Nano particles |
| C. | Nano clusters |
| D. | Nano materials |
| Answer» B. Nano particles | |
| 3. |
The_chain,_two_dimensional_and_three_dimensional_polymers_are_formed_under_______$ |
| A. | Vacuum |
| B. | High pressure |
| C. | Low pressure |
| D. | No pressure |
| Answer» C. Low pressure | |
| 4. |
The bond length of the C60 is ________ |
| A. | 1.1 A<sup>o</sup> |
| B. | 1.2 A<sup>o</sup> |
| C. | 1.3 A<sup>o</sup> |
| D. | 1.4 A<sup>o</sup> |
| Answer» E. | |
| 5. |
The vander-waals diameter of C60 is ________ |
| A. | 1.1nm |
| B. | 1.2nm |
| C. | 1.3nm |
| D. | 1.4nm |
| Answer» B. 1.2nm | |
| 6. |
The structure of C60 is called as _______ |
| A. | Isohedron |
| B. | Truncated isohedron |
| C. | Trigonal |
| D. | Trigonal bipyramidal |
| Answer» C. Trigonal | |
| 7. |
The_buckminister_fullerene_is_naturally_occurring_element_found_in_________ |
| A. | Earth |
| B. | Soot |
| C. | Smoke |
| D. | Fog |
| Answer» C. Smoke | |
| 8. |
The fullerenes that are larger in diameter than nano tubes and having walls of different thickness are ___________? |
| A. | Mega tubes |
| B. | Carbon nano tubes |
| C. | Bucky ball clusters |
| D. | Polymers |
| Answer» B. Carbon nano tubes | |
| 9. |
Hollow tubes of very small dimensions are called as _____________ |
| A. | Mega tubes |
| B. | Carbon nano tubes |
| C. | Bucky ball clusters |
| D. | Polymers |
| Answer» C. Bucky ball clusters | |
| 10. |
The smallest bucky ball cluster is _________ |
| A. | C<sub>6</sub> |
| B. | C<sub>8</sub> |
| C. | C<sub>10</sub> |
| D. | C<sub>20</sub> |
| Answer» E. | |
| 11. |
The first molecule was prepared in ___________ |
| A. | 1988 |
| B. | 1985 |
| C. | 1996 |
| D. | 1982 |
| Answer» D. 1982 | |
| 12. |
In fullerenes, the graphene sheets are linked with ________ |
| A. | Hexagonal rings |
| B. | Octagonal rings |
| C. | Trigonal rings |
| D. | Decagonal rings |
| Answer» B. Octagonal rings | |
| 13. |
The fullerenes are composed with _________ |
| A. | Graphene sheets |
| B. | Graphite |
| C. | Lead |
| D. | Other carbon materials |
| Answer» B. Graphite | |
| 14. |
Spherical fullerenes are otherwise called as ________ |
| A. | Bucky balls |
| B. | Soccer balls |
| C. | Cricket balls |
| D. | Tennis balls |
| Answer» B. Soccer balls | |
| 15. |
A fullerene is any molecule composed entirely of the carbon not in the form of hollow ________ |
| A. | Sphere |
| B. | Tube |
| C. | Ellipsoid |
| D. | Cuboid |
| Answer» E. | |