Carpet is not supposed to be glued to the pad, and I really can't imagine what advantage that would give you.
Yes and it is common when pad is being placed onto a cement substrate. It should be noted that when pad is glued, removing it later can be a very messy job.
No, there is no carpet glue in cigarettes.
You could use duct tape to put it together, or hot glue it.
That depends what kind of glue it is. -I would try Goof -Off for removing unknown glue from a carpet.
Gluing splices is the common way to lay pad for carpet.
Some ribbons have a 'glue on pad', and some don't.
Carpet glue, the industrial kind.
Act immediately if glue gets on your skin, clothes or furnishings by placing a pad soaked in cold water over the spot which should gradually peel apart. I would also recommend going out and getting a carpet cleaner. Denatured alcohol works, too, but only on wet glue -- dried glue is impossible to remove, but it does get softer with repeated soakings in water and detergent, or in alcohol, and then it can be scraped off with plastic implements.
You can use a spot remover, but it might be better for the carpet, kids, and pets if you use a carpet steam cleaner that uses hot water. This will melt the glue and remove it easily.
Yes, if the oil stain is thoroughly dry. Use a Multi-purpose carpet glue.
Yes
You can upholster a cat tree with carpet by gluing the carpet to the tree. Any carpet store will have carpet glue that you can use.