McqMate
| Q. |
Which of the following is an example of top- down approach for the preparation of nanomaterials? |
| A. | gas phase agglomeration |
| B. | molecular self-assembly |
| C. | mechanical grinding |
| D. | molecular beam epitaxy |
| Answer» C. mechanical grinding | |
| Explanation: mechanical grinding is an example of top-down approach for the preparation of nanomaterials. all the other options are the example of bottom-up approach. | |
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