Topic 3

Question 1

Loss of electrons is called

Answer 1

oxidation

Question 2

Gain in electrons is called

Answer 2

reduction

Question 3

Oxidisation agents

Answer 3

Oxidise other elements whilst getting reduced

Question 4

reducing agents

Answer 4

Reduce other substances whilst getting oxidised

Question 5

Increase in oxidation number

Answer 5

Means elements have lost electrons and have been oxidised

Question 6

Decrease in oxidation number

Answer 6

Means element has gained electrons and has been reduced