| Quiz | Alloys and preventing corrosion |
|---|---|
| Name | |
| Result | PASSED |
| Score | 20 / 21 (95.2%) |
| Passing score | 16.8 |
| Quiz took | 2 min 51 sec |
| Quiz finished at | 2022-05-01 21:49:38 |
Which of the following is NOT a way to prevent rusting?
Converting copper compounds in the ore to soluble copper compounds, using bacteria is known as
Iron parts that move, such as bicycle chains, are usually protected with
Man-made products are known as
Copper is
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
Steel is made from
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
Bronze is made from
Alloys are often harder than pure metals because they have
Rust is produced from
Mixing a metal with another element (metal or non-metal) produces
Aircraft are often made from
Brass is made from
A resource that can be continuously replenished is known as
Copper ore which doesn't have a high amount of copper in it is known as
Natural resources that will eventually run out are known as
When a metal reacts with other substances in the environment, they can weaken. This is known as
Which of the following is NOT a way to prevent rusting?
The sacrificial method protects iron by letting the oxygen and water react with ___________ instead