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Q.

Rust is a mixture of


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a

FeO and Question Image

b

FeO and Question Image

c

Question Image and Question Image

d

Question Image and Question Image 

answer is C.

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Detailed Solution

Concept-  Rust is iron oxide that forms a layer on the surface of the metal and eventually turns the metal completely into rust. It is formed by the reaction of metallic iron with oxygen in the presence of water or air humidity. It is reddish-brown in color.
Rusting of iron is characterised by the formation of a layer of red, flaky matter that easily crumbles into powder.
Rust consists of hydrated iron oxides (Question Image) and oxides - iron hydroxides (Question Image)
Therefore, rust is a mixture of Question Image and Question Image.
Hence, the correct option is (3).
 

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