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2.4 Bulk and surface properties of matter including nanoparticles

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Question 6

A company is developing a sun cream that contains cubic nanoparticles. When the surface area is measured in nm2\text{nm}^2nm2 and the volume in nm3\text{nm}^3nm3, each nanoparticle has a surface area to volume ratio of 3:43 : 43:4.

What is the volume of one of these nanoparticles?

[1]
A

64 nm364\ \text{nm}^364 nm3

B

512 nm3512\ \text{nm}^3512 nm3

C

8 nm38\ \text{nm}^38 nm3

D

384 nm3384\ \text{nm}^3384 nm3

Markscheme

2.4 Bulk and surface properties of matter including nanoparticles Questions

  1. GCSE
  2. /Chemistry
  3. /2.4 Bulk and surface properties of matter including nanoparticles

104 exam-style questions on AQA GCSE Chemistry 2.4 Bulk and surface properties of matter including nanoparticles, covering 2.4.1 Sizes of particles and their properties and 2.4.2 Uses of nanoparticles. Each one has a worked solution and a mark scheme showing where the marks go.

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