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Metals As Conductors (GCSE Chemistry)
The following is a GCSE Chemistry test covering 'Metals As Conductors' from the broader topic Bonding, Structure, And The Properties Of Matter. The test is geared towards the AQA exam board style syllabus.Incorrect: 0
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Which explanation correctly describes why metals in a wire heat up when a large current flows?
What is the main reason copper wires are often tinned (coated with a thin layer of tin) for connections?
Why is silver not used widely for large-scale power cables even though it is the best conductor?
What is meant by the phrase "delocalised electrons" in a metal?
Which statement correctly compares conduction of heat and conduction of electricity in metals?
Which statement best explains why pure copper is preferred over pure aluminium for many household electrical wires?
Which metal property is most important for making reliable electrical switches and contacts?
Which statement explains why a metal wire’s resistance increases when it is stretched (same material)?
Which of these best describes electrical conduction in a metal compared with conduction in a molten ionic compound?
Which property makes metals suitable for use in cookware (pans)?
Which explanation best describes why metals conduct electricity in the solid state?
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