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Why does copper and silver bangles turn green and black respectivly after their worn for many days?
They Tarnish (this is like rusting in iron, but slower). The moisure in your sweat, the warmth in your skin and the oxygen in the air all start to react with the metals. With silver, this makes silver oxide and hydroxide. This is a very slow process and silver tarnishing is very slow. With copper, this moke black copper oxide and green copper hydroxide (comman name verdigris, means green/grey). This process is also slow, but faster than silver. You can see evidence of this on old bronze statues and copper domes, which go green with weather and time.
What happens when you mix silver with water?
When silver is mixed with water, a reaction may occur where silver oxidizes and releases silver ions into the water. This can result in a color change in the water as the silver ions may form a complex with water molecules. However, this reaction is generally slow and not as dramatic as with more reactive metals.
What happens to the density of a heated iron block?
The density will decrease because the heated metal contracts and its particles slow down.
What is a syonym for slow?
Slow Down, Slow, retared
When a ray if light enters a glass block does it slow down or speed up?
Yes it does change.When it moves through air it moves with 299 792 458 meters per second! when it moves through glass it moves with about 150 000 000 meters per second.It slows it.
Silver will tarnish if it is not POLISHED often?
Silver tarnishes when it reacts with sulfur compounds in the air. While polishing can remove tarnish, storing silver items in airtight containers can also help prevent tarnishing. Using anti-tarnish cloths or bags can also slow down the tarnishing process.
How long does it take silver to tarnish?
Silver can tarnish in as quickly as a few days in high humidity or when in contact with pollutants in the air. However, the rate of tarnishing can vary depending on the environment it is exposed to. Regular cleaning and proper storage can help slow down the tarnishing process.
Will 925 18k gold tarnish?
.925 is a silver content. Sterling silver being 92.5% or higher silver content, the remaining alloys are 7.5%. Some alloys may slow tarnish, but there is no alloy that will eliminate the need for polishing. .750 or 18k gold wont tarnish but may change color with age depending on the remaining .250 alloys. If you are asking if 18k gold plating over a .925 sterling silver base will tarnish, the answer will be when the goldplating has worn off exposing the base metal to the elements, It will tarnish like any other silver.
How fast does sterling silver tarnish?
The tarnishing rate of sterling silver can vary depending on factors like exposure to air, humidity, and chemicals. In general, it can tarnish quite quickly within a few weeks to a few months if not properly stored or cleaned. Regular cleaning and storage in anti-tarnish pouches can help slow down the tarnishing process.
What causes silverware to tarnish?
The most common cause of tarnish to silverware (or any silver for that matter) would be sulfide. Any material that contains sulfide will most likely be the cause of your silverware tarnish. There are even foods that contain sulfide that can be the cause of tarnish. Climate and high humidity are also causes of silverware tarnish. There could be many causes as sulfide is found in many materials, but these would be the most common causes. Some are slow to tarnish, and others could accelerate the process.
What is a slow combination of a bright metal with sulfur and oxygen which produce a dark coating?
Tarnishing is a slow chemical reaction between a bright metal (such as silver or copper) and sulfur and oxygen in the air. This reaction results in the formation of a dark coating on the metal surface, known as tarnish.
What causes the silver to tarnish?
Silver tarnishes due to a chemical reaction with sulfur compounds in the air, which forms a layer of silver sulfide on its surface, creating the dark discoloration. Other factors like exposure to air, moisture, and certain chemicals can also contribute to tarnishing. Regular cleaning and storing silver properly can help slow down the tarnishing process.
Why does copper and silver bangles turn green and black respectivly after their worn for many days?
They Tarnish (this is like rusting in iron, but slower). The moisure in your sweat, the warmth in your skin and the oxygen in the air all start to react with the metals. With silver, this makes silver oxide and hydroxide. This is a very slow process and silver tarnishing is very slow. With copper, this moke black copper oxide and green copper hydroxide (comman name verdigris, means green/grey). This process is also slow, but faster than silver. You can see evidence of this on old bronze statues and copper domes, which go green with weather and time.
Will gold over sterling silver jewelry tarnish?
yes I sell jeewelry for a living, a silver dip or polish can be damaging to your gem stones. This is going to sound crazy but it works. Get a small glass bowl, line it with aluminum foil, shiney side up Put your silver jewelry on the tin foil Cover your silver jewelry with baking soda Pour boling hot water over it until it is completley covered Do it in a sink, the reaction causes fizzing and it may fizz over the edge of the bowl
What is a timber dam?
timber = wood dam = structure built to block/slow the flow of water so... timber dam is a wooden structure created to block or slow the flow of water.
Why is silver the hedgehog so slow?
because he has psychic abilities.
Is driving too slow is against the law as it would block or impede other ttaffic?
Yes most places if you are in a slow moving vehicle you need the slow vehicle sign
