Question

why do silver articles become black after sometime when exposed​

Answer 1

Answer:the silver articles become black after sometime when exposed because silver metal reacts with sulphur present in the atmosphere and form silver sulphide. Thus a layer of silver sulphide is formed on surface of silver articles because of which they appear dull and black.

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Explanation:

Answer 2

Silver articles become black after sometime when exposed in air because silver articles combines with hydrogen sulphide present in atmosphere to form silver sulfide which is black in color.

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