Sunnats and aadaab of wudhu

Q: Should the dried pus on a pimple be removed during wudhu and ghusal?

Q: In the process of wudhu, there are 4 fardhs; washing the face, the arms, masah of the head and washing the feet. Kindly clear my doubt if washing of the face comprises of gargling the mouth and cleaning the nose.

Q: Does permanent ink affect the validity of wudhu and ghusal?

Q: When I was doing wudhu for fajr, I checked my eyes for any dirt in the sides, and found some in my left eye, so I cleaned it and rubbed both eyes. But after I finished fajr prayer, I found some dirt besides the right eye. I had not seen this dirt during wudhu. The dirt was dry and 3mm thick. Will my Salaah and wudhu be valid?

Q: Is my ghusal and wudhu valid if I dye my hair? Is my salah valid?

Q: I have just recently become baaligh. I have been performing all my salaah and have not missed any. However, I used to make "wudhu" while showering. One day, I realised that sometimes while showering I did not wash my face and make masah (faraaidh of wudhu). I cannot recall how many salaahs I have performed in this manner. Please advise what I should do.

Q: Can you say bismillah in a bathroom when you do wudu, bathroom might have a toilet or might not.

Q: During wudhu, if a person forgets to wash a limb and only remembers after washing another limb, what should he do?

Q: When I perform wudhu for salaah, I sometimes forget to put water in my nose and instead go straight to washing my face. After I wash my face, when I realize that I did not put water in my nose, then what should I do? Should I restart the entire wudhu from the beginning or should I just put water in my nose and continue?

Q: I want to know whether ghusal and wudhu can be done in a bathroom? As it is wellknown that toilet and bathroom are combined these days so is the wudhu valid?