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2.3 Properties of materials

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Question 22

A laboratory records the widths of four particles.

ParticleWidth (m)
A5.0 × 10-10
B5.0 × 10-8
C5.0 × 10-7
D5.0 × 10-5

Which particle is a nanoparticle?

[1]
A

Particle C

B

Particle D

C

Particle A

D

Particle B

Markscheme

2.3 Properties of materials Questions

  1. GCSE
  2. /Chemistry
  3. /2.3 Properties of materials

122 exam-style questions on OCR GCSE Chemistry 2.3 Properties of materials, covering 2.3.1 Carbon bonding and the variety of organic compounds, 2.3.2 Diamond, graphite, fullerenes and graphene, 2.3.3 Bond strength, changes of state and predicting states, 2.3.4 Bulk properties and types of bonding, and 2.3.5 Nanoparticles: scale, surface area, uses and risks. Each one has a worked solution and a mark scheme showing where the marks go.

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