Sunnats and aadaab of wudhu

Q: In the wudhu, wet back side of neck is sunnah or farz?

Q: Is it mandatory to do wuzu before taking bath (after sex)?

Q: I had an operation on my left hand. It is currently bandaged up until just below the elbow. Three fingertips (nails) and the entire thumb is exposed. Please explain to me how to do masah, will the thumb and fingertips have to be washed?

Q: If we do wudu with the intention to read Quran, we cannot read salah with it, is it true? What if I perform wudu for being in the state of taharat, can I pray with this wudu or if I intend to pray with this wudu can I read Quran?

Q: Is it mentioned that when we are doing wudu and washing our arms and legs, it should be done in order (i.e. washing hands first till wrist when washing the arm)

Q: During wuzu, what is the sunnah method of putting water in the nose? Many people put water in the nose with the right hand and clean the right nostril with the small finger of the left hand and the left nostril with the thumb of the left hand, is this proven? Will the above method fulfill the sunnah of cleaning the nose?

Q:

1. In ghusl, do we have to sniff water into the nose or will pouring suffice?

2. I have read that “Istinshaaq” means taking water into the nose and breathing it into its backmost part. I have also read that according to Imam Abu Hanifa (rahimahullah) Istinshaaq is obligatory in ghusl and Istinthaar is desirable. (Durre Mandhuud p.167 & p.279 v.1)

Q: Could you please provide me with a soft copy of the Method of Wudu and Ghusl in detail?

Q: We are told nt to mention the name of Allah in the rest rooms. What about the situation of someone living in a flat and such person always performs wudhu in the rest room, will the the person not say bismillah?

Q: I'd like to know the Sunnah method of washing the hands upto the wrist and are there any other methods?