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2.4 Bulk and surface properties of matter including nanoparticles

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Question 15

A pigment powder used in a paint contains particles with sizes from 40 nm40\ \text{nm}40 nm to 400 nm400\ \text{nm}400 nm.

Which statement about the particles in the pigment powder is correct?

[1]
A

All of the particles are in the size range studied in nanoscience

B

The larger particles are in the size range studied in nanoscience, but the smaller particles are not

C

The smaller particles are in the size range studied in nanoscience, but the larger particles are not

D

None of the particles are in the size range studied in nanoscience

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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