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2.3 Structure and bonding of carbon

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Question 12

In a generator, a graphite contact remains touching a metal ring as the ring rotates. The contact links the rotating ring to an electrical circuit. Which option gives two properties of graphite that make it suitable for the contact?

[1]
A

It is slippery and conducts electricity.

B

It is slippery and does not conduct electricity.

C

It is very hard and does not conduct electricity.

D

It is almost transparent and conducts electricity.

Markscheme

2.3 Structure and bonding of carbon Questions

  1. GCSE
  2. /Chemistry
  3. /2.3 Structure and bonding of carbon

68 exam-style questions on AQA GCSE Chemistry 2.3 Structure and bonding of carbon, covering 2.3.1 Diamond, 2.3.2 Graphite, and 2.3.3 Graphene and fullerenes. Each one has a worked solution and a mark scheme showing where the marks go.

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