Bleach has a comparatively high pH, making it a base (alkali as opposed to an acid). Acids and bases are both corrosive in that they tend to want to neutralize by breaking other susceptible compounds...
Yes. I cleaned the mold off of my bathroom walls this weekend with a solution of 2 parts bleach to 1 part water. I wore a mask and goggles and gloves but of course this was not sufficient. My sleeve...