Sorted:

What is the ruling of doing tasbeeh with the masbahah (the rosary beads)?

 Is the Dhikr “subhanal malikil quddoos…” Saheeh?

Weak Aḥādīth in Ṣaḥīḥ Muslim

Is the supplication at the time of breaking fast accepted ?

Weakness of hadeeth about reciting Ayat-ul-Kursi when existing from house and entering house