Question
Science & TechnologyChemistry and Materials ScienceNanotechnology, Composites and Advanced MaterialsMedium (editorial estimate)
Question details
- Type:
- Statement based
- Skill:
- Fact recall
- Tags:
- nanoparticles · Nanotechnology, Composites and Advanced Materials
- Related topics:
- Toxic Chemicals, Pesticides and Persistent Organic Pollutants
Classification and difficulty are editorial labels. Explanations are awaiting review.
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Consider the following statements: 1. Other than those made by humans, nanoparticles do not exist in nature. 2. Nanoparticles of some metallic oxides are used in the manufacture of some cosmetics. 3. Nanoparticles of some commercial products which enter the environment are unsafe for humans. Which of the statements given above is/are correct?
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Question 98 · Nanotechnology, Composites and Advanced Materials · Science & Technology · UPSC Prelims 2022 (GS)