| Quiz | Alloys and preventing corrosion |
|---|---|
| Name | |
| Result | PASSED |
| Score | 18 / 21 (85.7%) |
| Passing score | 16.8 |
| Quiz took | 3 min 27 sec |
| Quiz finished at | 2022-04-12 12:04:08 |
Aircraft are often made from
Mixing a metal with another element (metal or non-metal) produces
Copper is
Natural resources that will eventually run out are known as
Man-made products are known as
Brass is made from
When a metal reacts with other substances in the environment, they can weaken. This is known as
The sacrificial method protects iron by letting the oxygen and water react with ___________ instead
Copper ore which doesn't have a high amount of copper in it is known as
Which of the following is NOT a way to prevent rusting?
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
Which of the following is NOT a way to prevent rusting?
18 carat gold is
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
Converting copper compounds in the ore to soluble copper compounds, using bacteria is known as
A resource that can be continuously replenished is known as
Iron parts that move, such as bicycle chains, are usually protected with
Alloys are often harder than pure metals because they have
Rust is produced from
Bronze is made from
Steel is made from