Loading...
Loading...
Nanomaterials are usually considered to be materials with at least one external dimension that measures 100 nanometres or less. Consider the following statements regarding nanomaterials : (i) They are toxic and carcinogenic. (ii) Graphene is a well-known nanomaterial. (iii) Nanoscale titanium dioxide can be used in sunscreen lotion. (iv) Paints made from nano gold do not fade with time. Which of the above statements are correct?
Correct Answer: (d)
UnverifiedNo official key was published for this paper. This answer is awaiting faculty review: treat it with caution.
This question appeared in the APSC Prelims 2024 examination (GS). It is Question 52 out of 178 questions in this paper.
This question was part of the APSC Prelims 2024 (GS). The APSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all APSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.