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2.4 Bulk and surface properties of matter including nanoparticles

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Question 4

In a quality-control test on a powdered ceramic, the following measurement is recorded:

Particle diameter = 450 nm450\ \text{nm}450 nm

Which value in metres is equivalent to the recorded diameter?

[1]
A

4.5×10−7 m4.5 \times 10^{-7}\ \text{m}4.5×10−7 m

B

4.5×10−6 m4.5 \times 10^{-6}\ \text{m}4.5×10−6 m

C

4.5×1011 m4.5 \times 10^{11}\ \text{m}4.5×1011 m

D

4.5×10−9 m4.5 \times 10^{-9}\ \text{m}4.5×10−9 m

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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