Summarized Fatawaa

Is it permissible to combine Zuhr and Asr prayers for being occupied with a wedding ceremony?

No, it isn`t permissible to combine Zuhr and Asr, or Maghrib and Isha because of being busy with a wedding since the exemption for combining prayers is based on lawful excuses, and this isn`t one of them. And Allah Knows Best.

What is meant by "Recalcitrance of the woman toward her husband doesn`t render her divorced"?

All perfect praise be to Allah the Lord of the Worlds. May His peace and blessings be upon our Prophet Mohammad and upon all his family and companions.
It means that her being recalcitrant (Nashiz) doesn`t make her divorced. Rather, she has to be divorced by husband or Sharia judge to be considered divorced. And Allah The Almighty Knows Best.

Is the Central Bank of Jordan considered of the Commercial Banks?

Yes, since the Central Bank involves with usury.

Is it permissible for one to shake hands with his uncle`s daughter?

No, it isn`t because he is a non-Mahram (Marriageable) to her.