Question

soujanya newly purchased silver was found to be darken when she saw after 2 3 months what is the reason​

Answer 1

Answer:

Answer:As the silver reacts with oxygen it turns blue

Answer:As the silver reacts with oxygen it turns blue so if you wash with shampoo water it comes to ot normal look

Answer 2

Soujanya's newly purchased silver was found to be darkened after 2-3 months due to tarnishing.

• Silver, over time, reacts with the various suplhur components present in atmosphere.

• This results in the formation of a layer of silver sulphide on the surface of silver.

2Ag + S  →  Ag₂S

• The compound, silver sulphide, is black in colour. Therefore, the silver material appears dark after 2-3 months.

• This process of darkening is called silver tarnishing, means decrease in the lustre of the metal.