WorksheetsOxidation and Reduction
Total questions: 10
Worksheet time: 23mins
(a) is the gain of oxygen atoms.
(a) is the loss of oxygen atoms.
What is the best way to extract metals that are less reactive than carbon?
Bioleaching
Electrolysis
Phytomining
Reduction reaction
Is this an oxidation or reduction reaction?
water → hydrogen + oxygen
Oxidation
Reduction
Is this an oxidation or reduction reaction?
carbon + oxygen → carbon dioxide
Oxidation
Reduction
Which of these metals do not form an ore?
Copper
Gold
Iron
Magnesium
Which element has been oxidised?
iron oxide + lithium → iron + lithium oxide
iron
lithium
oxide
lithium oxide
Which element has been reduced?
iron oxide + lithium → iron + lithium oxide
iron
lithium
oxide
iron oxide
Balance the following displacement reaction.
Li2O + (a) K → K2O + 2Li
In the following reaction, which element has been oxidised and which has been reduced?
copper oxide + iron → iron oxide + copper
Copper has been oxidised, iron has been reduced
Iron has been oxidised, copper has been reduced
