Turns out solubility of hydrogen is quite low (to be expected) so it’s unlikely enough hydrogen would dissolve to burn a hole in a tongue. You’d really have to want to do it, in which case there are easier ways to do so than pressurised supercritical hydrogen.
Most soda has a pH of like 3, so probably can’t be muchh worse.
Turns out solubility of hydrogen is quite low (to be expected) so it’s unlikely enough hydrogen would dissolve to burn a hole in a tongue. You’d really have to want to do it, in which case there are easier ways to do so than pressurised supercritical hydrogen.