Question

Rusting is a big problem. It happens when iron reacts with oxygen and water. Which of the following is true?
A) The hydrated iron becomes soft and crumbly which comes off the surface of the metal.
B) None of the above
C) The iron becomes hard and crumbly which comes off the surface of the metal.
D) The hydrated iron becomes hard which comes off the surface of the metal.

Answer 1

Answer:

C.is the answer

Explanation:

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Answer 2

Answer:

please mark it as brainlist my friend

Explanation:

Rusting of Iron

While playing in your building compound, you might have come across an iron barbed wire which has turned red. You might have also seen some old metallic object at home. You would realise that these objects have turned reddish, unlike their original metallic colour. This is what we call rusting of iron

So, C is the correct answer