C3.3.1 - Redox Reactions Flashcards
(8 cards)
1
Q
What is a redox reaction?
A
A reaction where reduction and oxidation happen at the same time
2
Q
What is reduction?
A
When oxygen is lost from a substance
3
Q
What is oxidation?
A
When oxygen is gained by a substance
4
Q
What is a reducing agent?
A
A substance that causes another substance to lose oxygen
5
Q
What is an oxidising agent?
A
A substance that causes another substance to gain oxygen
6
Q
In terms of electrons, what is reduction?
A
The gain of electrons
7
Q
In terms of electrons, what is oxidation?
A
The loss of electrons
8
Q
Does there need to be oxygen in a redox reaction?
A
No
