The colour of the coating formed on silver and copper articles as a result of corrosion respectively are

Grey and black

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Yellow and red

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Black and green

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White and brown

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Solution

The correct option is C Black and green
Answer (4)

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The colour of the coating formed on silver and copper articles as a result of corrosion respectively are

The correct option is C Black and greenAnswer (4)

The correct option is C Black and green
Answer (4)