Q2 of 23 Page 10

Give two examples of use of nanostructures from earlier times.

Nanomaterials are light and strong due to this property, they are applied in security. Examples are Damascus steel with carbon nanoparticles were present on the surface of Tipu Sultan’s sword and use of nano-lead compound for their eye makeup by ancient Egyptians.


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2

What is nanoscience?

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Mention the difference between bottom-up approach and top-down approach of synthesizing materials.

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Name two microscopes which are used to develop nanostructures.

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What are carbon nanobuds? Explain in brief.