Properties and uses of some metals
2 marks · NormalGive two reasons why copper is used for making electrical wiring.
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
Show answer
Also accept: ductile; can be drawn into wires; resists corrosion
Common mistakes: copper is magnetic; copper is colourful
Show mark scheme and worked solution
Marking points
B1 · 1 mark · Copper is a very good conductor of electricity.
B2 · 1 mark · Copper can be drawn into wires (is ductile) OR resists corrosion.
Worked solution
Copper is used for electrical wiring because: 1. It is a good conductor of electricity. 2. It can be drawn into wires or resists corrosion.