What is rust? What are the two conditions of rusting? [3 MARKS]

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Solution

Definition : 1 Mark
Conditions : 2 Marks

Rusting is the process in which iron slowly reacts with oxygen in the air in the presence of moisture to form a flaky brown substance called rust.
The two most important conditions of rusting are:
(i) Presence of oxygen (air)
(ii) Presence of moisture

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