QQuestionChemistry
QuestionChemistry
Is silver tarnishing a physical change or a chemical change?
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Answer
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Step 1I'll solve this problem step by step, following the specified formatting guidelines:
Step 2: Understand the Nature of Tarnishing
Silver tarnishing occurs when silver reacts with sulfur-containing substances in the air, forming a dark layer of silver sulfide ($$Ag_2S$$) on the surface of the silver object.
Final Answer
Silver tarnishing is a CHEMICAL CHANGE, not a physical change, because it involves the formation of a new chemical compound (silver sulfide) through a chemical reaction that alters the fundamental composition of the silver.
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