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simply make the solution of sodium sulfide and sodium hydroxide in water, 105% solution is enough, either deep for few hours or poass electric DC current 1V for instant results.## Alpesh UK

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What is the chemical name for a black coating on an 1890 coin?

The black coating on an 1890 coin is likely silver sulfide, which forms due to the reaction of silver with sulfur in the environment, leading to tarnishing. Silver sulfide gives the coin a black appearance and is a common occurrence in silver coins that have not been properly stored.


What is Ag2S in chemistry?

Ag2S is the chemical formula for silver sulfide, a compound made of silver and sulfur. It is a black solid that is insoluble in water. Silver sulfide is commonly found in nature as a mineral called acanthite.


Word equation for when silver sulfide forms when silver and sulfurS8react?

The word equation for the formation of silver sulfide when silver reacts with sulfur is: Silver + Sulfur -> Silver Sulfide.


Is silver a sulfide?

Silver sulfide is an ionic compound, and is not a metal.


What is the formula for silver (I) sulfide?

The formula of silver sulfide is Ag2S.


What will dissolve in water copper electrode and silver electrode?

Copper electrode will dissolve in water to form copper ions, while silver electrode will not dissolve in water as silver is relatively unreactive. Copper ions will be present in the water solution after dissolving the copper electrode.


What is the color of silver sulfide?

Silver sulfide is typically black or gray in color.


What is the product of silver sulfide plus hydrochloric acid?

The reaction between silver sulfide and hydrochloric acid will produce silver chloride and hydrogen sulfide gas. Silver sulfide will react with hydrochloric acid to form silver chloride, which is a white solid precipitate, and hydrogen sulfide gas will be released in the reaction.


Silver sulfide acid base or salt?

Silver sulfide is composed of silver, a metal, and sulfur, a non-metal; therefore, it is an ionic compound and a salt.


What is a good substitute for a saturated calomel electrode?

For example, the silver/silver chloride electrode (without mercury).


Is silver sulfide a metal?

No, silver sulfide is not a metal. It is a chemical compound composed of silver and sulfur. Metals are elements that typically have shiny appearances, good conductivity, and malleability. Silver sulfide is a compound formed through the reaction of silver with sulfur.


What is the chemical compound name for AgS?

2 Silver Sulfide molecules (silver tarnish)