1
Q
if oxidation number reduces its
A
reduction
2
Q
if oxidation number increases its
A
oxidation
3
Q
oxidation is
A
loss of electrons, oxygen or hydrogen
4
Q
reduction is
A
gain of electrons, hydrogen and oxygen
5
Q
oxidising agent is
reducing agent is
A
reduced
oxidised
6
Q
transition elements have variable
A
oxidation numbers
depends on rest of the compound
7
Q
what is a redox reaction
A
reaction where both oxidation and reduction take place
8
Q
A
AS level Chemistry
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