Acid is in vinegar. That's all the information you need to know.
vinegar dissolves things because it is an acid
There are a number of reasons why a pill will dissolve in vinegar. Vinegar is an acid that dissolves many things.
Vinegar desolves things because of its high acidity.
If you try to grow them in vinegar you will kill them. Vinegar is a preservative it is used to pickle things.
It's not, commonly it is acetic acid that is fermented by bacteria on sawdust of all things. Vinegar is acidic.
Sweet vinegar is a combination of vinegar and sugar. It is often used in things like salad dressings. It is made by gently heating vinegar and dissolving sugar in it. It is the sweet vinegar added to the rice that makes sushi rice so delicious!
You can pickle foods by brining, soaking in vinegar or fermenting.
Vinegar being an acid rusts fast lemon juice is also acidic but very weakly.
To cut the vinegar in potato salad, the best thing you can do is add more of everything else. Add more potatoes, mayo and everything else to balance things out and remove the taste of vinegar.
These are two different things. Vinegar is Acetic Acid. Hydrogen peroxide is H2O2, and is used ( in a dilute solution) as an anti-bacterial.
Vinegar is produced from alcohol using a vinegar culture. The color of the vinegar is based on what was used to make the vinegar and thus results in different flavors. For instance, beer tastes different from red wine which is again different from white wine. Which vinegar you use should be based on why you are using it and the quality factors, such as what it was made in, how long it aged, etc. More concern should be applied to these things than what color it is. White things aren't always bad or a result of bleaching.
It is used for many things, usually for food. It can be used for apples or salads.