Name two conditions which are essential for rusting. Write the chemical equation for rusting of Iron. [2 MARKS]

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Solution

Naming: 1 Mark
Equation: 1 Mark

The two conditions essential for rusting are presence of
(i) Oxygen
(ii) Water or water vapour

The chemical equation for rusting of Iron is:
Iron(Fe) + Oxygen $(O_{2}$ ) + Water $(H_{2} O$ ) $\to$ rust(Iron Oxide $F e_{2} O_{3}$ )

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Name the two essential conditions for rusting. [2 MARKS]

Question 6:
What are the two essential conditions for rusting?

(a) What is rust? Give the equation for the information of rust.

(b) State two conditions necessary for rusting of iron?

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