Nano meter is a very small unit of length. 1 nm= 10 − 9 m. As we know that nanometre is the unit which is used to measure length in a metric system. It is equal to the one billionth of a metre ( 0 . 000 , 000 , 001 m ) . If you want to denote it in scientific notation, then its scientific notation can be written as 1 × 10 − 9 m or it can be written as 11 , 000 , 000 , 000 metres.

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The size range of nanoparticles is between $1$ to nanometres.

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Important Questions on Green Chemistry and Nanochemistry

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How nanotechnology is useful in the field of security? Explain.

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Although, nanotechnology is considered as an invention of modern science, but its use has been identified from long past. Give four examples of history of nanotechnology.

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Define the following term:

Nanochemistry.

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Define the following term:

Nanomaterial

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What are the nanoparticles?

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Define the following term:

Nanoscience

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Nano chemistry is the branch of chemistry that involves the study of the physical and chemical properties of materials at the atomic and molecular levels.

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Nano chemistry involves the study of the physical and chemical properties of materials at _____ and molecular levels.

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How will you illustrate the use of safer solvent and auxiliaries?

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Ridhima wants to detect structure of surface of materials. Name the technique she has to use.

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Name the scientist who discovered scanning tunneling microscope (STM) in