Dirt or sunblock remaining on one's face after making wudhu

Q:

1. After making wudhu, dirt on the cheek remains even after washing the cheek, is the wudhu valid or must the that part of the face be washed again?

2. After making wudhu, sunblock on the face remains even after washing that part of the face, is the wudhu valid?

3. After making wudhu, the dirt (like sand which you normally find when awakening from sleep) remains in the corner of the eye even after washing that part of the face in wudhu, is the wudhu valid?

Talaaq in the state of anger

Q: During a fierce argument with my wife, in the condition of extreme anger, I told her that I give you talaaq for one time. Later after about two months, again during extreme anger and in a hot argument I pronounced the word talaaq again two times. During both events, it was only me a my wife and no witness was there. Please advise if talaaq has happened.

Dua for marriage

Q: I have heard that if the following dua is read daily with 11 times durood before and after, it will help a girl in getting married soon. Is this an authentic wazifa?

Wa min kullay shai’in zowjaini La Allakum tazakkaruna .Allah Humma bi Haqqi qauwlika Haaza wa Bi Hurmati Nabbiyika Muhammadi Sallal Laahu Ta’ala Alayhi Wa Aalihi Wa Sallam an tarzuqani(name of the girl if the girl is not reciting for herself) zauwjan Saaliham Muwafiqan ghaira muhalifin bay haqqi Sayyidina wa Mauwlana Muhammadiwin’ wa Aalyhi Ajmaeen.