Metal X conducts electricity well and is used in electrical wiring. Metal Y is used to produce an alloy that resists corrosion and is used for cutlery. Metal Z is light but strong and is used in the production of aircraft. What are X, Y and Z?
- AX: aluminium, Y: iron, Z: copper
- BX: copper, Y: iron, Z: aluminium
- CX: aluminium, Y: copper, Z: iron
- DX: copper, Y: aluminium, Z: iron