Granted. You get there, but it gets boring after a few thousand years. However, since you cannot leave or die in heaven, you have to face an eternity of endless boredom.
I wish for the ability to instantly destroy heaven and hell.
It does but Microsoft releases 1000 updates every second, reinstalling Metro every time.
I wish for an ordinary glass of water that won't kill me.
Granted. The water is actually D2O instead of H2O. Since deuterium is an isotope of hydrogen, you still have a glass of water, although it is slightly heavier than normal.
I wish for an unbreakable bottle of concentrated sulfuric acid; and no, it won't fall over and spill acid everywhere.