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2.3 Properties of materials

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Question 16
F

A student says, "Only substances that contain ions can conduct electricity."

Which observation shows that the student's idea is wrong?

[1]
A

Solid sodium chloride does not conduct electricity.

B

Sodium chloride solution conducts electricity.

C

Graphite conducts electricity when it is solid.

D

Sugar solution does not conduct electricity.

Markscheme

2.3 Properties of materials Questions

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

60 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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