Yes. Iron Oxide is forming.
Physical
Crumpling tin foil is a physical change, not a chemical change. This process alters the shape and texture of the foil but does not change its chemical composition. The material remains aluminum regardless of how it is manipulated, meaning no new substances are formed.
Iron can are electroplated with tin to prevent the cans from rusting. Tin is a metal that resists rust.
A tin used for food packaging is actually tin-plated steel. So if the tin wears off, the steel beneath will rust.
No it doesn't at all. It is used to coat other metals. It was used in cans because it didn't rust and because it is non-toxic
By melting the two metals and putting them together, you are creating an alloy, a homogenous mixture. The process does not change any atoms, so it is not a chemical reaction, but a physical change.
A tin used for food packaging is actually tin-plated steel. So if the tin wears off, the steel beneath will rust.
Tin cans are not made entirely of tin, and the name "tin can" would be more accurate if it were "tinned can". The can is actually made of steel, plated on the outside with tin. The steel gives the can strength, and the tin plating helps to protect the steel from rusting. As your question indicates, there are situations in which the tin is not entirely successful in preventing rust. Aluminum cans are more naturally resistant to corrosion, and are also more easily made, because aluminum is more easily formed into a can than steel is.
Tin cans are actually made of steel that is coated with a thin layer of tin, which provides corrosion resistance. If the tin coating gets damaged or wears off, the underlying steel can rust when exposed to oxygen and moisture, leading to the appearance of rust on the can.
1. Tin is...tin in the English language. 2. The chemical symbol (not formula) of tin is Sn.
To effectively rust galvanized tin, you can use a vinegar and salt solution to remove the zinc coating, then expose the metal to moisture and oxygen to encourage rust formation.
Because the probable tin coating is porous or damaged.