![Vinegar residue supported nanoscale zero-valent iron: Remediation of hexavalent chromium in soil - ScienceDirect Vinegar residue supported nanoscale zero-valent iron: Remediation of hexavalent chromium in soil - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0269749119317853-fx1.jpg)
Vinegar residue supported nanoscale zero-valent iron: Remediation of hexavalent chromium in soil - ScienceDirect
![Write word equations for two chemical reactions with the help of materials given in the box . Air , copper sulphate , Iron , vinegar , Iron oxide, carbon dioxide , Iron sulphate , copper ,lime water , water Write word equations for two chemical reactions with the help of materials given in the box . Air , copper sulphate , Iron , vinegar , Iron oxide, carbon dioxide , Iron sulphate , copper ,lime water , water](https://d10lpgp6xz60nq.cloudfront.net/web-thumb/645586970_web.png)
Write word equations for two chemical reactions with the help of materials given in the box . Air , copper sulphate , Iron , vinegar , Iron oxide, carbon dioxide , Iron sulphate , copper ,lime water , water
![Constant black smudges: this is my second time stripping this cast iron. I have done 2 lye baths, soaked it in vinegar and scrubbed but I keep getting this black residue. It Constant black smudges: this is my second time stripping this cast iron. I have done 2 lye baths, soaked it in vinegar and scrubbed but I keep getting this black residue. It](https://preview.redd.it/mwbywt39cwj71.jpg?width=640&crop=smart&auto=webp&s=24e465081c50d46170a4993a7b1cce8446ebfd80)
Constant black smudges: this is my second time stripping this cast iron. I have done 2 lye baths, soaked it in vinegar and scrubbed but I keep getting this black residue. It
![What is this black substance on the end of the nail? The liquid is vinegar and the nail is iron. Is is some kind of oxide? : r/chemistry What is this black substance on the end of the nail? The liquid is vinegar and the nail is iron. Is is some kind of oxide? : r/chemistry](https://preview.redd.it/4n8nzhl5poy51.jpg?auto=webp&s=f6d7468db2246bb95ef234611a6fe89e59ab6884)
What is this black substance on the end of the nail? The liquid is vinegar and the nail is iron. Is is some kind of oxide? : r/chemistry
![A Simple Protocol for Making Iron(II, III) Oxide (magnetite) : 10 Steps (with Pictures) - Instructables A Simple Protocol for Making Iron(II, III) Oxide (magnetite) : 10 Steps (with Pictures) - Instructables](https://content.instructables.com/FF6/G8IL/IH1VH4ZN/FF6G8ILIH1VH4ZN.jpg?auto=webp&fit=bounds&frame=1&height=1024&width=1024auto=webp&frame=1&height=150)