answersLogoWhite

0

Oxidation is the usual cause of discoloration when an iron is exposed to air. The atoms on the surface of the metal react with Oxygen in air to produce a metal oxide.

User Avatar

Wiki User

9y ago

What else can I help you with?

Continue Learning about Chemistry

Will ammonia clean aluminum?

Ammonia can be used to clean aluminum, but it may cause discoloration or damage to the surface depending on the concentration and exposure time. It is safer to use specialized aluminum cleaners to avoid any potential harm to the metal.


Does s25 sterling silver cause a green ring?

Yes, sterling silver can sometimes cause a green ring when it oxidizes from exposure to moisture, air, or certain chemicals. This green discoloration is a reaction between the silver and substances on the skin, such as sweat or lotions. It is a temporary and harmless occurrence.


How reactive is the element silver?

Silver is not highly reactive and is considered a noble metal. It does not easily react with most chemicals but can react with sulfur compounds in the air, leading to tarnishing or discoloration of the metal.


Will 925 silver tarnish?

Yes, 925 silver will tarnish over time due to exposure to air and certain chemicals. Tarnishing is a natural reaction that occurs as the silver reacts with sulfur or hydrogen sulfide in the air, resulting in a darkening or discoloration of the metal. Regular cleaning and proper storage can help reduce tarnishing.


Why chloroform turns into yellowish color?

Chloroform can turn yellowish due to exposure to light and air, which causes it to undergo degradation processes, such as oxidation, leading to the formation of colored impurities. These impurities can cause the chloroform to take on a yellowish hue. Storage in amber-colored containers and avoiding exposure to light can help prevent this discoloration.

Related Questions

Is discoloration of metal by exposure to air?

rust


What is discoloration of metal by exposure to air?

rust


What type of property is Tarnishing?

Tarnishing is a physical property that describes the darkening or discoloration of a metal surface due to exposure to air, moisture, or other substances. It is a common property of metals like silver and copper.


What is a color change on metal that is caused by a chemical change called?

The color change on metal caused by a chemical change is called tarnishing. Tarnishing can result from exposure to elements such as oxygen, sulfur, or other chemicals, leading to discoloration or darkening of the metal surface.


What are the circle discoloration spots on your back?

The circular discoloration spots on your back are most likely sun spots. These are caused from over exposure to the sun.


What is metal changes color over time from exposure to air what has likely occurred?

Chemical Reactions!!??


Why does basil turn black after washing?

Basil turns black after washing because exposure to water can cause the plant's cells to release enzymes that react with oxygen in the air, leading to oxidation and discoloration.


Will ammonia clean aluminum?

Ammonia can be used to clean aluminum, but it may cause discoloration or damage to the surface depending on the concentration and exposure time. It is safer to use specialized aluminum cleaners to avoid any potential harm to the metal.


Does s25 sterling silver cause a green ring?

Yes, sterling silver can sometimes cause a green ring when it oxidizes from exposure to moisture, air, or certain chemicals. This green discoloration is a reaction between the silver and substances on the skin, such as sweat or lotions. It is a temporary and harmless occurrence.


How does copper look like?

Copper is a red orange metal that develops a blue green oxide coat on extended exposure to air.


What is an argyria?

An argyria is a condition caused by improper exposure to silver or its compounds, characterized by a blue-grey discoloration of the skin.


How reactive is the element silver?

Silver is not highly reactive and is considered a noble metal. It does not easily react with most chemicals but can react with sulfur compounds in the air, leading to tarnishing or discoloration of the metal.