Summarized Fatawaa
• Is it permissible to offer Salah(prayer) on behalf of the sick who is on his/her death bed, and is incapable of offering it ?
It`s impermissible to offer Salah on behalf of the sick, or the dead.
• Is it permissible for a wife`s family to demand her husband to divorce her although she doesn`t want that?
It is forbidden for them to do that in case their daughter doesn`t want divorce unless there was a sin that continues as long as the marriage survives.
• Does the clipping of nails nullify ablution?
No, it does not, and it is preferable to wash the hands afterwards.
• Is a menstruating woman obliged to pray during menses, and should she make up missed prayers?
A menstruating woman is prohibited from prayer during her menses, and she isn`t obliged to make up missed prayers.