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chemical analysis of coin
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∙ 10y ago
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Do real coins harm swimming pool water?
No, if the water chemistry is right, there will be no impact on the pool water chemistry.
What chemical on the periodic table does not like coins or banknotes?
Antimony
When a black coating forms on silver coins what is the nature of chemical phenomenon?
basic in nature
Why do coins rust faster in saltwater than in freshwater?
Because salt is a corrosive chemical.
Is there a chemical reaction between aluminum and sodium carbonate?
Yes, I use it to clean coins.
What are chemical compounds for cleaning coins?
Vinegar helps on coins. As a general rule, coins should not be cleaned, as such an action will significantly reduce or even destroy a coin's value. It is possible to use an ultrasonic cleaner for gold coins but care must be taken to avoid rubbing the coin.
What are facts about Euro?
it can come in many colors its coins and its dollars three facts to answer your question i hope i answered it good and you got an a+ on your project
Why is your 1981 penny silver?
If you found a silver-colored 1981 penny, it may have been used for an experiment in a high school chemistry class. The coins were dipped in a chemical solution of zinc and sodium hydroxide, which results in a zinc plating on the penny. It's not a very strong coating, so it will wear off after the coin is circulated a bit.
What is the chemical name for a green coating on a coin?
For copper or some copper alloys coins the coating is hydrated copper carbonate.
How does coins get dirty?
It's simple chemistry. Coins are used by people, and no matter how well you wash you still have oils and acids secreted by your skin that affect the metal. In addition coins are exposed to air so the metal tarnishes from the effects of oxygen as well. That's why pennies turn brown and dollars go from a shiny golden color to a sort of antique brass.
Chemical bath for coins?
DO NOT attempt to clean coins yourself.Almost any household chemical that you might use will do more harm than good. The best thing you could do would be to dab the coin with distilled water and dry it with a soft cloth to remove some of the crud. Anything more than that would require professional assistance.
How do you donate coins on club penguin?
Actually to donate coins there is a event once a year in the month of December. To donate your coins, go to one of the coin stations in the plaza or forest and click on what you want to donate your coins to.
