Iron when exposed to moist air forms a reddish brown layer of iron oxide, which is known as rust.

True

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False

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Solution

The correct option is A True

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Similar questions

Q. Iron when reacts with moist air forms a reddish brown layer of iron oxide which is known as rust.

When iron (Fe) is exposed to moist atmosphere for a long time, rust is formed which is a layer of a brown flaky substance. What is the chemical composition of this iron rust?

Formation of rust when iron is exposed to moist air is called ________.

The metal Iron (Fe) when exposed to moist atmosphere forms hydrated Iron oxide as per the following reaction. This process is known as rusting which does not take place in the absence of ‘Y’. Identify ‘Y’ in the reaction.
Fe+O₂+Y→Fe₂O₃.nH₂O

Q. A reddish brown metal A, when exposed to moist air, forms a green layer B. When A is heated at different temperatures in the presence of

O_{2}

, it forms two types of oxides - C (black) and D(red). Identify A, B, C, D and write the balanced equation.

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