Salaah

Q: How loud can a person recite Quraan in salaah like in a fardh or sunnah salaah? How loud should a person recite when he is performing salaah individually in his room, etc. in a jehri or sirrri salaah? 

Q: I want to know regarding the 4 rakaat sunnah of Asar namaaz. I have read in a book that it is not part of Asar namaaz because the evidence is not there that Nabi Muhammad (sallallahu alaihi wasallam) prayed this sunnah regularly. Would you please enlighten me on this matter. 

Q: Is saying Aameen after Surah Fatiha in namaz correct? Someone had written that saying Aameen invalidates the salaah. 

Q: Are we allowed to make English duas in Qunoot, after we recite Dua Qunoot?

Q: After getting up from ruku in the standing position, if someone uses both his hands for handling clothes or scarf (removes both the hands from the side of body), does salah become invalid?

Q: I was leading the zuhr salaah and mistakenly performed five rakaats. At the end of the salaah, we performed sajdah sahw. Is the salaah valid?

Q:

1. If I use my hand, due to losing balance, when coming up from sajdah, will this break my salaah?

2. Whilst making my niyyah for salaah, at the beginning I scratched my face and then used my one hand twice in salaah. Is this amal-e-katheer?

Q: A woman who follows the hanafi school, if she doesn't cover her feet in salaah, will the salaah be valid?

Q: Can we read these duas in fardh salaah:

Dua between the 2 sajdahs and حمدا کثیرا طیبا مبارکا فیه after raising from ruku? Or are they to be read in sunnah and nafil salah only

Q: If one swallows a few strands of coconut during salaah which was stuck in the teeth, will it invalidate the salaah?