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Because they corrode and stain on skin contact.

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16y ago

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Related Questions

What metals are used for earrings?

Aluminum and copper


Why can iron be used used to get copper from copper sulfate solution?

Iron is more reactive than copper


What does copper and iron make?

Copper and iron do not typically react together to produce a specific compound or mixture. They are mainly used as individual elements for various applications due to their unique properties.


Why can iron be used to get copper from copper sulfate?

Iron is more reactive than copper, so when iron is added to copper sulfate solution, iron displaces copper in the reaction and forms iron sulfate. This process is known as a displacement reaction. This allows copper to be extracted from copper sulfate solution using iron.


Does iron and zinc make bronze?

No, bronze is an alloy traditionally made by combining copper with tin. Iron and zinc are not typically used in the production of bronze.


What minerals are used to make a radio?

aluminum, copper, gold, iron, and petroleum products


What were two metals used to make tools and weapons?

copper, bronze and iron in that order


Is iron used to displace copper from solutions of its salts?

Yes, iron can displace copper from solutions of its salts through a displacement reaction. Iron has a higher reactivity than copper, so it can replace copper in the salt solution, forming iron salts and copper metal.


Which metal is best at reclaiming copper from the used copper chloride solution?

Iron is commonly used to reclaim copper from a used copper chloride solution through a displacement reaction. When iron is added to the solution, it reacts with the copper ions to form iron chloride and copper metal, allowing the copper to be easily recovered.


How can iron be used to get copper from copper sulfate solution?

Since iron (Fe) is more reactive than copper (Cu) it will be 'plated' with copper when the metal iron is stuck in copper sulfate solution. Fe(s) + Cu2+(aq) + [SO42-]aq ---> Fe2+(aq) + Cu(s) + [SO42-]aq


What properties make iron not as good to use in wires as copper?

copper is a more better conducter than iron and therefore is able to pass more heat than iron. basically copper wires are used in many instances and domestic needs as it is cheaper and can resist electricity


What materials used to make real cellphone tower?

They use steel, iron, and sometimes copper to make a cell phone tower.