When comes in contact with skin

CHEMISTRY · Single correct · ICSE · Chemistry · Electrolysis · Electrolysis

Problem

When AgNO3AgNO_3 comes in contact with skin, it leaves a black stain. This is because of : (1) HNO3HNO_3 produced by hydrolysis of AgNO3AgNO_3 (2) AgOHAgOH produced by hydrolysis of AgNO3AgNO_3 (3) Its reduction of silver (4) Its oxidation to silver oxide

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