Question detail
How do nanoparticles improve the effectiveness of sun creams?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Bulk and surface properties of matter including nanoparticles (chemistry only)
Question
How do nanoparticles improve the effectiveness of sun creams?
Answer
Nanoparticles in sun creams provide better UV protection by allowing for a more even distribution of active ingredients on the skin. Their small size helps them to penetrate the skin more effectively, enhancing protection against harmful UV rays.
Explanation
This answer explains the mechanism by which nanoparticles improve sun cream effectiveness, testing the ability to connect properties of nanoparticles with their applications.
Common mistake
Misunderstanding Applications of Nanoparticles
Students often state that nanoparticles are only used in cosmetics without mentioning sun creams and deodorants.
To fix this, students should remember to include all applications of nanoparticles in cosmetics, sun creams, and deodorants when describing their uses.
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