Question

Write the word equations for the following reactions:

(i)Iron with oxygen in the presence of moisture.

(ii)Magnesium with oxygen.

(iii)Sulphur dioxide with water

(iv)adding copper turnings to sulphuric acid

(v)corrosion of copper
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Answer 1

1) iron + oxygen → iron oxide.

2

Answer 2

Explanation:

1. hydrous iron oxides- (Fe2O3·nH2O)

2. magnesium oxide- mgo

3. sulphurous acid- H2SO3

4. sulphur dioxide- SO2

5. Cu2O(red), CuCo3(red)