Assertion :Paheli bought a statue made of copper. To her surprise, it acquired a dull green coating after a couple of months. Reason: Copper gets corroded due to the reaction of atmospheric moisture and carbon dioxide gas which thus turns green on exposure to the atmosphere.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
When metals like iron, copper. silver, etc. are exposed to air, moisture, or to acidic conditions they get corrode and this process of corroding such metal is called corrosion.
Here statue made of copper reacts with atmospheric moisture and carbon dioxide gas and forms a mixture of copper carbonate and copper hydroxide which has a dull green color. This dull green color coating develops on the surface of the statue over a couple of months.

Hence the correct option is $A$

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