Regular table salt.
It is possible.
Of course, both are sodium chloride.
Any serious difference exist between kosher salt and standard table salt.
yes, but use a little less.
Yes, both are sodium chloride.
Yes, both are sodium chloride.
All salt is kosher. "Kosher salt" is a particular grade of salt, with coarse crystals, that is used for making meat kosher, and is also useful in cooking. It's no more kosher than any other kind of salt.
Kosher salt is sodium chloride.
Most salt is kosher by default unless additives such as flavourings are added, at that point the salt would have to be certified kosher. 'Kosher salt' refers to a large grain salt that is used during the process of kashering meat. Iodized salt is kosher.
Yes. In soup it should make no difference what kind of salt you use, since it all dissolves anyway. But because table salt is finer, you get more of it in a given volume, so you have to reduce the quantity a bit. If you're not comfortable doing that, then stick to kosher salt, or some similar coarse-grained salt.
No, it is not. Almost all mass produced salts are considered kosher and have been certified kosher by a rabbi or authorized organization. Kosher salt gets its name from from what it was originally used for. Kosher salt is much larger grains and was used to pull the blood out of meats so that it meets the Jewish guidelines. That process is often referred to as "koshering" and that's where kosher salt got its name from. But any salt that is certified free of additives can be certified kosher and used.
All salt is kosher unless something is added to it to render it not kosher. If the question is in regard to kashering salt, the salt used to kasher meat, that product is not suitable for cooking as it is an extra coarse salt that does not dissolve well.