Question

what is the reddosh brown deposit seen on the iron nail ??​

Answer 1

Being exposed to air and moisture there is a layer which is formed on the surface of iron which is reddish brown in colour known as Rust.

Note- The colour of rust is reddish brown.

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Answer 2

Answer:

The redish brown layer is Rust .

When an iron nail is exposed to air, moisture or other atmospheric gases a layer will deposit called rust .

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