Conditions for the validity of Salaah

Q: Mufti sahab, After I read Asr Fard Salaah, can I read any nawaafil Salah or any qadha fardh salaah?

Q: When I pray namaz, in the starting I read niyat in urdu for e.g: (I do niyat to perform 4 rakats isha facing towards the qibla). Is this the correct way to start namaz or should we just start with Allahu akbar?

Q:

1. I wake for fajr twenty minutes before sunrise and I pray 15 minutes before sunrise. I am a bit depressed now that I can't get up earlier. If you pray fajr fifteen minutes before sunrise, is my fajr valid.

2. If a person misses a salaah intentionally, should it be made up or not?

Q: What is the degree for Fajr and isha salat according to shafii school because there a several application like adhan pro and islamic finder and I am in trouble because i don't know which is more correct according to Shafii madhaab? 19.5°(fajr)-17.5°(isha):EGAS, 15°-15°:ISNA, 18°-17°:MWL, 18.5°-90mn:UQU, 12°-12°:UOIF, 20°-18°:MUIS

Q: My question is if clothes becomes najis after the salaah and it was clean during the salaah will the salaah have to be repeated?

Q: I am suffering from OCD (waswasa) and when I wake up for fajr prayer, I see the sky is light and I always think I am praying fajr in forbidden time. Is this the valid time for fajr? Please clarify.

Q: I sometimes find after performing Salaah, a little dirt under my nails. Most often my nails are short. What will be the condition of my Salaah? Is it valid?

Q: Is it necessary for a hanafi to pray zohr salaah before misl-e-awwal? Due to some reason can a hanafi pray zohr salah after misl-e-awwal?

Q: Thew new £5 UK note is made of plastic and contains animal fat. Can one pray salaah with this note in their pocket?

Q:

1. Is it permissible to use the new five pound notes as they contain animal ingredients?

2. When praying Salah by having the £5 notes in the pocket will the Salaah be valid?