High-performance electrical connectors used in aerospace communication systems are typically fabricated from brass (an alloy of copper and zinc) and then electroplated with a thin layer of gold.
State two reasons why these brass connectors are electroplated with gold.
97 exam-style questions on Edexcel GCSE Chemistry 6.1 Transition metals, alloys and corrosion, covering 6.1.1 Properties of transition metals, 6.1.2 Corrosion and its prevention, and 6.1.3 Alloys and the uses of metals. Each one has a worked solution and a mark scheme showing where the marks go.