Question

What will be the change in the colour and life of iron and copper due to rusting?
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Answer 1

Answer:

The rusting of iron is characterized by the formation of a layer of a red, flaky substance that easily crumbles into a powder.

copper will turn black blueish in colour

Answer 2

Explanation:

Chemistry of Rusting of Iron

Corrosion of any metal is a natural process. It results in the conversion of the metal into its chemically stable form that can be either oxides or hydroxides or sulphides.

Rusting is a type of Chemical Change. It results in the formation of Iron Oxide which is an entirely new substance. Chemical Reaction of Rusting is as follows:

Iron + Oxygen (from environment) + Water (Humidity) —> Iron Oxide (Rust)

Fe + O2 + H2O —> FeO and Fe2O3

Iron occurs naturally in two different forms: Iron (II) and Iron (III).

Scientific Name of Oxide of Iron (II) is Ferrous Oxide (FeO).

Scientific Name of Oxide of Iron (III) is Ferric Oxide (Fe2O3).

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