Nanoparticles (Edexcel GCSE Chemistry): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is the size range of nanoparticles?
What is the size range of nanoparticles?
1-100 nanometres
How many metres is 1 nanometre equal to?
How many metres is 1 nanometre equal to?
0.000000001 metres
What happens to surface area to volume ratio as particle size decreases?
What happens to surface area to volume ratio as particle size decreases?
It increases
Why are nanoparticles useful as catalysts?
Why are nanoparticles useful as catalysts?
Large surface area for reactions
How are nanoparticles used in medicine?
How are nanoparticles used in medicine?
Drug delivery to specific areas
What advantage do nanoparticles provide in sunscreens?
What advantage do nanoparticles provide in sunscreens?
Better UV protection
What property makes nanoparticles useful in clothing like sportswear?
What property makes nanoparticles useful in clothing like sportswear?
Antimicrobial properties
How do nanoparticles help in food packaging?
How do nanoparticles help in food packaging?
Extend shelf life
In what environmental application are nanoparticles used?
In what environmental application are nanoparticles used?
Water purification systems
What is a key environmental concern about nanoparticles?
What is a key environmental concern about nanoparticles?
Entering the food chain
What are fullerenes used for?
What are fullerenes used for?
Lubricants for machinery
Why are silver nanoparticles added to surgical masks and wound dressings?
Why are silver nanoparticles added to surgical masks and wound dressings?
Antibacterial properties