rusting of iron is an example of .................( slow change, fast change, reversible change, physical change)
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Explanation:
Rusting of iron is an slow change as moist air slowly corrodes the iron.
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In this question, we are asked to tell which rusting of iron is which type of change.
- Rusting of iron is a slow change which means that it slowly changes its form.
- Rust is a mixture of iron oxides formed on iron objects. The formation of rust takes a longer time and is not an immediate reaction this is why it is a slow change.
- As when Iron meets with moisture and mater it starts rusting and it takes time to rust.
- Fast change is a change that takes place very quickly.
- Reversible change is a change that can be reversed for example water when freezes from ice and when ice is kept outside again takes the shape of water hence it is a reversible change.
- Physical change is reversible change and it does not form a new substance.
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