Can a muslim pray for his non-mulsim mother who has passed away?

Is it permissible to remove janaabah by means of tayammum?.

A young man proposed to a girl, but when the marriage contract was done, the girl’s father had a disagreement with his daughter’s fiancé, and refused to do the marriage contract. But the girl, her mother and her brother wanted the marriage to go ahead, so they left their house and rented an apartment, and they left the father who refused to do the marriage contract, and the marriage contract was done; the maternal uncle of the girl was the one who acted as her guardian (wali) in this marriage contract, in the presence of her brother. They argued that the father does not pray and they did not want him to be the wali of his daughter. How valid is this marriage contract?

I am one of those who send blessings upon the Prophet between 50 and 100 times a day, according to circumstances. I say: “Allahumma salli ‘ala Muhammadin wa aali Muhammad (O Allah, send blessings upon Muhammad and the family of Muhammad).” There are some people who tell me that my sending blessings upon the Messenger of Allah is lacking. Can you tell us – may Allah reward you with good – what is the ideal way to send blessings upon the master of mankind, and is the way I am doing it really lacking?

What is the definition of gheebah and what is the ruling on it?

Respected scholars, As-Salamu `Alaykum. I have asked this question of many scholars but no one has been able to give me a satisfactory answer. I hope you can clarify it for me. I know that man has to go through a lot of problems and afflictions throughout his life. Now these sufferings could be a punishment from God or it could be that God wants to test his faith and raise his ranks in the Hereafter. But how can we tell the difference between punishment from God or tests and trials by God? Jazakum Allahu Khayran.

I understand that hijab is required, and I’ve been wearing it for some time now but I feel like putting it on might have been a mistake.  I don’t feel like it’s made me become a better Muslim, and I feel almost like I’m deceiving people because they look at me as an example even though I’m still struggling with a lot of things. Also, if I take it off, is it really something Allah will punish me for? It seems like such a petty thing. Isn’t the most important thing having a clean heart?

A non-Muslim friend of mine asked how I could prove the existence of God and why He has given us life, and what its purpose is?
My answer did not satisfy him, please tell me what I should tell him?

I am a muslim by birth and I recently got married to a girl who had reverted to Islam. i am from india and many muslims here are very backward in their practices etc.. She was continously asking me questions about my relatives and why muslims are so backward etc.. I lost my temper and I am ashamed to say that in my anger I told her that I was sorry that I was a muslim. I immediately realised my mistake but I said what I said. I am terribly ashamed of myself for saying such a thing. Does this make me a apostate (kafir). I am a muslim and i truly believe in islam in all its glory. I am ashamed and sorry for what I said. Am i a kafir. Do i have to say the shahadah again? Is my nikah nullified as she is still a muslim. Do i have to do the nikah again. Please answer at the earliest. I am really sorry for beingsuch a bad muslim.

I am doing research on the concept of monotheism in the world's five major religions. Could you please explain to me the concept of monotheism in Islam?
 

How is major ablution done? There are differences of opinion in a number of madhhabs, so who should I follow?
How did the Messenger (blessings and peace of Allaah be upon him) to minor and major ablution?.