Why does iron surface get covered with a powdery brown matrial when kept in moist atmosphere?
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4
When iron is kept in moist atmosphere, it reacts with the moisture (water)
and air (oxygen) to form a powdery brown material called RUST.
The powdery brown material is rust. Chemically, it is called hydrated iron (III) oxide.
The formation of rust requires iron, oxygen and water. In the absence of
either water or oxygen, no rusting can take place. That explains why the
processes involved in preventing rusting tries to eliminate water or oxygen or
both.
and air (oxygen) to form a powdery brown material called RUST.
The powdery brown material is rust. Chemically, it is called hydrated iron (III) oxide.
The formation of rust requires iron, oxygen and water. In the absence of
either water or oxygen, no rusting can take place. That explains why the
processes involved in preventing rusting tries to eliminate water or oxygen or
both.
Answered by
6
Answer:
Explanation:
When iron is kept in moist atmosphere, it reacts with the moisture (water)
and air (oxygen) to form a powdery brown material called RUST.
The powdery brown material is rust. Chemically, it is called hydrated iron (III) oxide.
The formation of rust requires iron, oxygen and water. In the absence of
either water or oxygen, no rusting can take place. That explains why the
processes involved in preventing rusting tries to eliminate water or oxygen
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