Metals (C1.4) Flashcards
1
Q
What is extraction?
A
Reaction where metal is produced.
2
Q
What is corrosion?
A
Occurs when a metal is converted to its oxide by the action of moist air.
3
Q
What is oxidation?
A
When oxygen is added to an element or compound.
4
Q
What is reduction?
A
When oxygen is removed from a compound.
5
Q
What is a shape memory alloy?
A
If the shape of something is changed, it returns to its original shape when heated.
6
Q
What is an alloy?
A
A mixture of metals.
7
Q
How do we recycle metals?
A
Metal is melted down and made into something new.
8
Q
What is an ore?
A
A rock where metal can be extracted from for money.
