Iron is a widely used transition metal, but it is highly susceptible to corrosion when exposed to atmospheric conditions.
State the two chemical substances that must be present in the environment for iron to rust.
The following are four methods used to protect iron and steel from rusting:
Complete the table below by identifying the most suitable method of preventing rust for each specific item. You may use each method once, more than once, or not at all.
| Item | Method |
|---|---|
| Handtools with high-precision moving joints | |
| Structural beams of an outdoor pedestrian bridge | |
| Steel wires in a dishwashing machine rack |
Which of these metals is typically coated onto steel to manufacture cans for food preservation?
A zinc
B copper
C tin
D lead
