Question

explain Iron nails become coated with a Red Brown layer if exposed to moist air for long​

Answer 1

Answer:

Formation of Rust When the Iron is Exposed To Moist Air is Called - Fill in the Blank. ... Rust is iron oxide. Corrosion occurs in the presence of moisture. For example, when an iron is exposed to moist air, it reacts with oxygen to form rust(Fe2O3)

Explanation:

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Answer 2

Answer:

because the iron get reacted with the the moisture and oxygen present in the air and form a layer of oxide (red brown coating)