Fatimas (RA)

as salaam muft

1.was the prophet (saw) daughter’s name faatima or faatima zahra (ra)

2.in sunnah ghusl,are the hands washed after niyya is made?(as in the first action of ghusl)

3.what dua can be read to improve memory?

4.if witr is read at tahajjud time,should witr be performed before or after tahajjud?

jazakallah