Multiple choice

Consider the following facts about nanoparticles.

  1. Gold, though an inert metal, becomes very active at nanometre dimensions.
  2. The colour of quantum dots depends not on its chemical properties but on its size.

Which of the statements given above is/are true?

  1. Only 1

  2. Only 2

  3. Both 1 and 2

  4. Neither 1 nor 2
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Nanomaterials, even when made of inert elements like gold, become highly active at nanometer dimensions. The colour of quantum dots is dependent only on their size and not on their chemistry.

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