| Quiz | Alloys and preventing corrosion |
|---|---|
| Name | |
| Result | PASSED |
| Score | 17 / 21 (81%) |
| Passing score | 16.8 |
| Quiz took | 48 min 01 sec |
| Quiz finished at | 2023-05-16 16:34:41 |
Spraying a metal with a zinc coating provides a protective layer. The zinc also acts as a sacrificial metal, if it gets scratched. This is known as
Growing plants in soil that contains copper, may result in copper building up in the leaves. This copper can be harvested and the process is known as
18 carat gold is
Mixing a metal with another element (metal or non-metal) produces
The sacrificial method protects iron by letting the oxygen and water react with ___________ instead
Iron parts that move, such as bicycle chains, are usually protected with
Converting copper compounds in the ore to soluble copper compounds, using bacteria is known as
When a metal reacts with other substances in the environment, they can weaken. This is known as
Man-made products are known as
Steel is made from
Rust is produced from
Copper is
Which of the following is NOT a way to prevent rusting?
Brass is made from
A resource that can be continuously replenished is known as
Natural resources that will eventually run out are known as
Bronze is made from
Which of the following is NOT a way to prevent rusting?
Aircraft are often made from
Alloys are often harder than pure metals because they have
Copper ore which doesn't have a high amount of copper in it is known as