| Quiz | Alloys and preventing corrosion |
|---|---|
| Name | |
| Result | PASSED |
| Score | 19 / 21 (90.5%) |
| Passing score | 16.8 |
| Quiz took | 14 min 31 sec |
| Quiz finished at | 2025-02-10 16:28:14 |
Brass is 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
A resource that can be continuously replenished is known as
Converting copper compounds in the ore to soluble copper compounds, using bacteria is known as
Mixing a metal with another element (metal or non-metal) produces
Iron parts that move, such as bicycle chains, are usually protected with
Which of the following is NOT a way to prevent rusting?
Rust is produced from
18 carat gold is
Steel is made from
When a metal reacts with other substances in the environment, they can weaken. This is known as
Copper is
Which of the following is NOT a way to prevent rusting?
Man-made products are known as
Natural resources that will eventually run out are known as
Bronze is made from
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
Aircraft are often made from
The sacrificial method protects iron by letting the oxygen and water react with ___________ instead
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