Glue is any substance that will adhere something to another item. -There are thousands of different glues, so if asking a "Glue " question, please specify the actual brand name or at least the type.
Difficult to say without knowing what exactly it is.-Name your glue -
It may dissolve with repeated immersion in water. Depends exactly which glue.
Please specify exactly what you want to glue.
Yellow Carpenter's glue does this. My favorite type is TiteBond 2.
It often will, depends exactly how it's broken.
PVA glueANS 2 Epoxy or carpenters yellow glue may be best, depending exactly what you are gluing.
Rub it with Goo Gone, -that's exactly what it was formulated for.
Elmer's glue is made from polyvinyl acetate and polyvinyl alcohol. Although the exact composition as well as other additives are not exactly known.
Please re-write this so we know exactly what you wish to know.
There are lots of glues that are appropriate for uses in cars. You would have to be more specific about what exactly it is for.
Crazy Glue's general directions for use is to make sure that both surfaces to be bonded are clean and free of dirt, grease, oil, or anything that would keep the parts from making a good dry physical contact. If you are looking for directions to use Crazy Glue on something specific, you would need post exactly what you are trying to glue / bond.
I don't know exactly what you are asking, but Soda is the glue for the Curtis family, the referee, the lighter, happier side of life.