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P-1 Chemical reactions and equations — Science STD 10 — Question

Maharashtra BoardEnglish MediumSTD 10ScienceP-1 Chemical reactions and equations2 Marks
Question
When silver vessels exposed to air turns blackish after sometime.
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Answer

On exposure to air, silver vessels turns blackish after sometime. This is because of the layer of silver sulphide $\left( Ag _2 S \right)$ formed by the reaction or silver with hydrogen suphide in air.

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