You can mix powders of borax and sugar or the solutions.
Borax will kill fruit flies. Place some yogurt in the room with borax in it and it will kill off the flies.
Yes, borax does kill roaches. It interferes with their metabolism and kills them eventualy
mix water with borax, and then a touch of saliva
Borax kills ants.
The areas they live in would defeat the borax
no
Yes if it is mixed with honey and/or peanut butter. It will kill them. Borax is poisonous if ingested.
yes
yes
because the borax and the glue mix to form a solid and a liquid. it is possible
its a mix of borax solution and glue