No, you can only get one masterball per game inless you have a hacking/cheating system.
Use it on Palkia.
you have to save the president of silph co. to get the master ball.
You cant
You can't you only get 1 master ball in each pokemon version.
Throw a Master Ball at it.
you don't need the master ball for any Pokemon but i would save it for ho-oh lv 70
all of them
You can copy a master ball on Pokemon Emerald by having one of your friends that has one sign on to their ds and connect the two. Then they can give it to you in the Pokemon center.
in the galatic building in veilstone city!
Use the master ball you get from profe elm
equip the master ball to a Pokemon and clone it using the Pokemon clone cheat.. its so simple..
Yes, if you have a Pokemon hold a Master Ball and then trade the Pokemon, you will have transfered the Master Ball.