Answer
(Fatwa: 230/230=M/1429)
Arabic will be the language of people after death. They will reply to the questions of angels in Arabic. Allah Almighty will also talk to the people in Arabic language. It is in Hadith that the language of people in
احبو العرب لثلاث: لأني عربي، القرآن عربي، و لسان أهل الجنه في الجنه عربي
And it is in Durr-e- Mukhtar: للعربيه فضل علي سائر الألسن و هو لسان أ هل الجنه
(2) Yes, Arabic language is the language of Allah Almighty; hence Allah Almighty has spoken it, as it is in mentioned in Sharh Al-Fiqh Al-Akbar: فإنه سبحانه متكلم بكلامه
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband