7.4 Redox reactions Flashcards
1
Q
Define reduction
A
it is the gain of electrons but the loss of oxygen
2
Q
Define oxidation
A
it is the loss of electrons and the gain of oxygen
3
Q
Define oxidizing agent
A
a substance which oxidizes another substance during a redox reaction.
4
Q
Define reducing agent
A
a substance which reduces another substance during a redox reaction.
5
Q
CuO(s) + H2(g) —> Cu(s) + H2O(l)
A
a) state which one is the reducing an oxidizing agent
b) draw arrows to show reduction and oxidation
