ANSWER: One should recite the last three Quls once after every prayer except for maghreb and Fajr where one recites them 3 times each.  

Read more

ANSWER: This does not affect the validity of your prayer. Don’t correct the prayer mat while in sujood.

Read more

ANSWER: If you fold the sleeves for the prayer, this is not permissible. If you fold it all the time and not just for the sake of prayer, this is permissible. 

Read more

ANSWER: This is not from the sunnah as the hadeeth in replying to the last verse of it is not authentic.   

Read more

ANSWER: No, you cannot pray any voluntary salah after Asr until the sun sets and not after Fajr until the sun rises.  https://islamqa.info/en/109254  

Read more