Salaah

Q: Can one read voluntary prayer if one has missed prayers to make up?

Q: If my deceased parents have not been steadfast with zakaat, salaah and fasting due to reasons that I am not aware of, am I able to compensate for this, even if they have not mentioned it in their will? I would love my parents to be in Jannah, so how can I help them achieve this now that they have passed away?

Q: I work in a hospital. The hand rub we use contains alcohol (ethanol) mixed with glycerine. Some drops fell on my clothes and dried. Can I pray with that clothes?

Q: Is wearing a skull cap mandatory whilst praying Salaah?

Q: I want to read isthikaara for a marriage proposal. How many days should it be read for?

Q: I had offered 2 rakaahs of sunnah after zuhr, but I forgot that I already offered it. So I offered it again, but I mistakenly faced the wrong direction instead of the Qiblah. Should I offer the sunnah again?

Q: What does Islam say about someone (a Muslim) offering prayers in a gurdwara, temple or church? Is it allowed? If so, then in what conditions?

Q: What is the sunnah method for women that should be adopted at the time of solar eclipse?

Q: If the muqtadi joined the salaah at the time when the qiraat had commenced, then should he recite the thanaa?

Q: If I am in the first row for Salaah, and there is an aalim in the second row, can I offer him my place in the first row?