It really depends on what Country you are in, for example if you are in the UK, the tap water is really clean so you can drink it. However, if you were in China, the tap water is not that clean so you can't drink it. So depending on where you are the answer is different. But if you were in a Country where the tap water was clean. Yes there will be some Vitamins but not many.
Rusting takes time, it doesn't happen instantly. Just clean the iron with regular water, and dry it off thoroughly as soon as you are finished cleaning it, and it won't rust. Alternatively, try using rubbing alcohol instead of water.
The reason you buy water for you iron, is that you do not want calcium and iron inside your iron, as these deposits will plug the holes in the iron. Similarly calcium and iron inside your radiator wil cause the holes to plug up and stop the flow inside your radiator. You can buy demineralized water or use the old way of clean rain water.
Iron nanoparticles can be used in the remediation of contaminated soil in certain cases- see related link. The clean up of an offshore oil spill is different. Much of the spilled oil can not be recovered, however they are trying to mitigate the harmful effects by selective burning, skimmers, dispersants and containment booms.
Galvanizing is a process of coating iron with zinc to protect against rusting. The process may be electrochemical, (the origin of the name) nowadays the term is most often appled to a hot dip porcess , simply dunking a clean iron/steel piece into molten zinc pulling it out and letting it cool.
Sunbeam
There are no perfect rhymes for the word sunbeam.
how bright is sunbeam and how right is rayovac
Sunbeam - motorcycle - was created in 1871.
Chrysler Sunbeam was created in 1977.
Sunbeam Products was created in 1910.
Today's Sunbeam was created in 1819.
The cast of Little Sunbeam - 1914 includes: Jackie Saunders as Little Sunbeam
On bare, completely clean iron? No
Jesus Wants Me for a Sunbeam was created in 1987.
Sunbeam-Talbot Ten was created in 1938.
Sunbeam - car company - was created in 1888.