Yes, it is, it's non-conductive.
Super glue is safe on parts of electronic devices. Plastic casings and small components can be held to circuit boards for instance. This is a common method of repair if yuo are careful.
Yes, there is nothing wrong with that.
I wouldn't recommend it as super glue is a cyanoacrylate. Some super glues are used for sealing wounds but they are different to the super glue you by off the shelf at a hardwear store.
It's best to use silicone on silicon.
It is safe when dried,- but it may not work on many food containers, especially those made with polyethylene.
You shouldn't use Super Glue (or anything water soluble) . But, hot glue is okay if you're going to seal it after.
It can, but be careful. 1 -the fumes of Super glue can be toxic. -2 Any glue will act differently when heated,-what if a handle falls off . - I'd rather be safe and get a new pan or whatever.
Try a rag dipped in Goof Off. Rub it over the super glue till it softens, then peel it off.
Do not glue it, no glue will be safe for this. I advise you to go to the dentist who will fully understand and replace your current retainer.
Safe in what respect? To use? Yes. To ingest? No. Actually I understand that in some cases surgeons use it to fasten skin together instead of stitches.
It's 'safe' but not very effective. -You'd be better off with a heavy bodied adhesive like PL300 or Liquid Nails.
Is it safe to put crazy art glue on your teeth?