What color is kosher salt?

By default, salt is kosher unless something is added to it to make it not kosher - usually flavourings. Kosher salt may or may not be iodized, you'd have to check the label on the package to be sure.

It has no additives and is used to remove blood from meat which is in compliance with the Torah rules of processing meat._______ "Kosher salt" is a coarse grain salt that is used for kashering meat....

No. Quick salt is another name for saltpeter, or potassium nitrate: among other things, it's used for making cured meats like salami. Kosher salt is made of sodium chloride like regular table salt,...

No, they're not the same but you can use kosher salt (coarse granule) salt in a pinch.

Kosher Salt is basically large granules of table salt. So it depends why you want the salt. It may not disolve as readilly for instance.