Question

A bicycle changes colour as it rusts

Answer 1

Answer:

if, bicycle is made of iron .yes, it change its colour as it rust because iron react with oxygen to form ferrous oxide

Answer 2

Answer:

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If you have ever left your bicycle in the rain you probably know it is called rust. Chemical reactions may also produce heat, light, bubbles or color changes. When the bike rusted, the metal turned a different color so we know that a chemical reaction occurred between the bike and the water.

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Explanation:

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