the acetic acid in the vinegar would slowly dissolve the iron and produce hydrogen gas
If it is a new nail it will probably just turn dark. If it's a rusty nail it will become rust free.
No, you need fingernail polish remover with acetone. With vinegar, you will just seriously dry out your skin.
no not unless you soak them in vinegar for a couple of days
Not much, but if you soak it in vinegar the shell will dissolve!
soak it in lemon juice or vinegar for 6 hours or coke for 3 days
You soak an egg in vinegar for 2 days. When you take it out after two days it should bounce. If it dosen't put it back in the vinegar for 1 more day.
use nail polish remove or exfoliating the skin/nail glue or soak in nail polish remover then peel off.
Soak a wishbone in vinegar for a few days and it leaches out the calcium, leaving a rubbery bone that's very hard to break.
To make eggs rubbery, you have to soak a hard-boiled egg in vinegar for around 3 days.
Osmosis
cucumbers and brine vinegar soak the cucumbers in the vinegar for about 48 hours
You soak it in vinegar and rosemary leaves