A) Yes you can. Its not fun but it is possible. Ask any real plumber. They do it all the time.
B) Even with electrolysis (spelled correctly ) it would take some time. Electrolysis doesn't happen "overnight" and that's the point. I very highly doubt this is something he is going to do for a long term solution, more along the lines that it can be done. If only for enough time to post, load windows and pull a real temp and cpu-z. If it crashes after wards... so what. It was done, and that in itself is cool in my book.