a long time
50 years
How long will it t take a quarter to rust in fresh water
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Copper and zinc-plated pennies do not rust, because they're not made of iron. The only American pennies that could rust were the steel cents struck in 1943. You might believe that a penny is rusting but instead it is corroding! Yes, it does not rust it just corrodes.
No. Water is actually a major cause of rust.
It depends on what metals the coin is made from!
If they are an alloy, they will eventually rust.
A penny can take anywhere from a week to a month to fully rust with just rust, I've seen pennies with mold and that took two weeks, but it could finish sooner, with mold it could take anywhere from four days to three weeks.
any liquid that had hydrogen, oxygen and is moist (of course it will be moist) to rust it need all the materials above can make pennies rust remember rusting only applies to iron items. to preserve pennies you can store them in oil
It depends on the quality of the nail. If it is painted it Amy take long to rust. In general it may take a month or so for the nail to rust.
Yes, iron can rust in water. When iron is exposed to both water and oxygen, a chemical reaction occurs where the iron oxidizes, forming iron oxide or rust. This process is accelerated in the presence of impurities in the water, such as salts and minerals.
Rusting is basically iron reacting with water and oxygen to form iron oxide. Soda accelerates this because it’s acidic and contains sugar. Here’s a detailed breakdown: Why soda speeds up rust Most sodas (cola, lemon-lime) have a pH around 2–3, which is quite acidic. Acid reacts with iron, loosening the surface and allowing oxygen to react faster. Sugar doesn’t directly cause rust, but it can trap moisture on the metal surface, keeping it wet longer. Carbonation (CO₂ dissolved in soda) slightly increases conductivity, which helps the electrochemical reaction. Approximate timeline Thin, untreated iron nail in cola at room temperature: Visible rust: 24–48 hours Heavy rust covering most of the nail: 3–7 days Steel nail with coating or thicker iron: may take longer, several weeks for heavy rust. Tips to speed it up in experiments Heat the soda slightly (warm, not boiling) — increases reaction rate. Shake or stir occasionally to expose fresh liquid to the metal. Scratching or filing the nail surface exposes more iron, rusting faster. ✅ Summary: A plain iron nail in soda will usually start rusting within a day, and be noticeably rusty in 3–7 days depending on conditions.