Question

silver articles turn black and copper items turn green after sometimes​

Answer 1

Because they reduce themselves into silver oxide and copper oxide respectively.

Answer 2

$\huge{\boxed{\boxed{Hi Dear!!!!}}}$

$\huge{\mathfrak\red{Here \:is \:your \:answer}}$

$\huge{\mathcal\pink{Question}}$

silver articles turn black and copper items turn green after sometimes.

$\huge{\mathcal\pink{Answer:-}}$

silver articles turn black and copper items turn green after sometimes because they reduce themselves into silver oxide and copper oxide respectively.

$\huge{\mathfrak\red{Hope \:it \:is \:helpful}}$

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