Assertion: Corrosion of iron is commonly known as rusting.
Reason: Corrosion of iron occurs in the presence of moist air.

(A) Both assertion and reason are false.
(B) Assertion is true, but the reason is false.
(C) Both assertion and reason are true. The reason is the correct explanation of assertion.
(D) Both assertion and reason are true. The reason is not the correct explanation of assertion.

Both assertion and reason are false.

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Assertion is true, but the reason is false.

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Both assertion and reason are true. The reason is the correct explanation of assertion.

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Both assertion and reason are true. The reason is not the correct explanation of assertion.

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Solution

The correct option is D
Both assertion and reason are true. The reason is not the correct explanation of assertion.

Rusting is a chemical process in which iron gets converted into hydrated ferric oxide in the presence of air and water. This is known as rusting.
The product so formed is called as rust.
Fe₂O₃(s) + xH₂O(l)→ Fe₂O₃.xH₂O(s)(rust)
The Correct Answer is (D) Both assertion and reason are true. The reason is not the correct explanation of assertion.
Hence option d is the correct option.
options a,c,and d are the incorrect options.

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