MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 22 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. |
Industrial catalysts should have _________ surface area. |
| A. | High |
| B. | Low |
| C. | Moderate |
| D. | No |
| Answer» B. Low | |
| 2. |
By nano scale distribution of the _______ in matrix improves the life and performance. |
| A. | Carbide |
| B. | Tungsten |
| C. | Hydrides |
| D. | Nitrites |
| Answer» C. Hydrides | |
| 3. |
_________ of ceramic components are easier through nano structuring. |
| A. | Lubrication |
| B. | Coating |
| C. | Fabrication |
| D. | Wear |
| Answer» D. Wear | |
| 4. |
The __________ to the ceramics are superior coatings. |
| A. | Nano particles |
| B. | Nano powder |
| C. | Nano crystals coating |
| D. | Nano gel |
| Answer» D. Nano gel | |
| 5. |
Coating the nano crystals with the ceramics is carried that leads to ________ |
| A. | Corrosion |
| B. | Corrosion resistant |
| C. | Wear and tear |
| D. | Soft |
| Answer» C. Wear and tear | |
| 6. |
___________ is the field in which the nano particles are used with silica coated iron oxide iron oxide. |
| A. | Magnetic applications |
| B. | Electronics |
| C. | Medical diagnosis |
| D. | Structural and mechanical materials |
| Answer» D. Structural and mechanical materials | |
| 7. |
The nano particles from iron and palladium are used to produce ________ |
| A. | Magnets |
| B. | Magnetic lens |
| C. | Magneto meters |
| D. | Magnetic storage devices |
| Answer» E. | |
| 8. |
THE____________TO_THE_CERAMICS_ARE_SUPERIOR_COATINGS.?$ |
| A. | Nano particles |
| B. | Nano powder |
| C. | Nano crystals coating |
| D. | Nano gel |
| Answer» D. Nano gel | |
| 9. |
By nano scale distribution of the _______ in matrix improves the life and performance. |
| A. | Carbide |
| B. | Tungsten |
| C. | Hydrides |
| D. | Nitrites |
| Answer» C. Hydrides | |
| 10. |
__________of_ceramic_components_are_easier_through_nano_structuring.$ |
| A. | Lubrication |
| B. | Coating |
| C. | Fabrication |
| D. | Wear |
| Answer» D. Wear | |
| 11. |
Fabrics are extensively made out of nano materials like ___________ |
| A. | Carbon nano tubes |
| B. | Fullerenes |
| C. | Mega tubes |
| D. | Polymers |
| Answer» C. Mega tubes | |
| 12. |
Due to _________ tensile strength some of the nano materials are used in air crafts. |
| A. | High |
| B. | Low |
| C. | Moderate |
| D. | No |
| Answer» B. Low | |
| 13. |
The extensively used nano particles as catalyst is_________ |
| A. | Silver |
| B. | Copper |
| C. | Gold |
| D. | Cerium |
| Answer» D. Cerium | |
| 14. |
Industrial_catalysts_should_have___________surface_area. |
| A. | High |
| B. | Low |
| C. | Moderate |
| D. | No |
| Answer» B. Low | |
| 15. |
Coating the nano crystals with the ceramics is carried that leads to _______? |
| A. | Corrosion |
| B. | Corrosion resistant |
| C. | Wear and tear |
| D. | Soft |
| Answer» C. Wear and tear | |
| 16. |
DNA detection through the ___________ by using the oligonucleotide functionalised gold nano crystals is developed. |
| A. | Colorimetric |
| B. | Diathermy |
| C. | Electro therapy |
| D. | Treatment tables |
| Answer» B. Diathermy | |
| 17. |
___________is the field in which the nano particles are used with silica coated iron oxide iron oxide. |
| A. | Magnetic applications |
| B. | Electronics |
| C. | Medical diagnosis |
| D. | Structural and mechanical materials |
| Answer» D. Structural and mechanical materials | |
| 18. |
Nano particles target the rare _______ causing cells and remove them from blood. |
| A. | Tumour |
| B. | Fever |
| C. | Infection |
| D. | Cold |
| Answer» B. Fever | |
| 19. |
The nano particles from iron and palladium are used to produce ________ |
| A. | Magnets |
| B. | Magnetic lens |
| C. | Magneto meters |
| D. | Magnetic storage devices |
| Answer» E. | |
| 20. |
The synthesized magnetic nano particles from _________ have been found to self-arrange automatically. |
| A. | Zinc |
| B. | Copper |
| C. | Iron |
| D. | Zirconium |
| Answer» D. Zirconium | |
| 21. |
The nano materials are used in the light emitted electro luminescence devices. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 22. |
For high sensitivity or selectivity environmental sensors to sense the gaseous chemical like _________ |
| A. | CO<sub>2</sub> |
| B. | NO<sub>3</sub> |
| C. | O<sub>2</sub> |
| D. | NO |
| Answer» E. | |