Question

Silver articles get tarnished when kept open for a long time.

Answer 1

This is because the silver metal reacts with sulphur present in the atmosphere and forms Silver Sulphide (Black colour)

Answer 2

Explanation:

Solution : (a) Silver article turns black when kept in the air because silver article with sulphur compounds such as hydrogen sulphide (H2S) present in air. The phenomenon is called corrosion. For silver particularly, it is called tarnishing of silver.

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