Iron is a widely used transition metal, but it is prone to rusting when exposed to the environment.
Name the two substances that must be present for iron to rust.
The following are four methods used to prevent iron from rusting:
Complete the table below by giving the best method of preventing each item from rusting. You may use each method once, more than once, or not at all.
| Item | Method |
|---|---|
| bicycle chain | |
| iron gate | |
| wire dish rack |
Which of these metals is used to galvanise iron?
A tin
B zinc
C copper
D nickel
25 exam-style questions on Edexcel IGCSE Chemistry Extraction and uses of metals. Each one has a worked solution and a mark scheme showing where the marks go.