Questions relating to tahaarat

Q: 

1. The splashes of water when washing our private parts in istinja is paak or napaak?
2. The water which wets our feet due to movement of our hand in these situations is pure or impure?
3. Our hand with which we have cleaned those areas if it touches our clothes will the clothes be naapak?
4. Once this happened and where I thought that my clothes has touched my hand, I washed it with water and offered namaz and after some time I began to think that i washed the wrong place. Now I don't know was my namaaz valid?
5. When we wash our hands aftr istinja and the sleeves fall down and it gets wet, do we have to wash our sleeves or not? 

A: 

1. The used water is napaak.
2. If it is water that has not been soiled then it is pure.
3. No.
4. Don’t pay attention to this.
5. No.

And Allah Ta'ala (الله تعالى) knows best.

Answered by:

Mufti Ebrahim Salejee (Isipingo Beach)