Which caliph fought against those who refused to pay Zakat after the Prophet's death?

Where do pilgrims collect pebbles for the stoning ritual after leaving Arafat?

What was the first mosque built by Prophet Muhammad (PBUH) called?

Which Angel is responsible for bringing revelation to the Prophets?

What was the capital of the Islamic state during the caliphate of Hazrat Ali (RA)?

Which term refers to belief in the Prophethood in Islam?

What is the year of the deaths of Khadijah (RA) and Abu Talib called?

Who was the first person to accept Islam among adult men?

Which is the longest Surah of the Quran?

Which Hadith collection is known for its focus on legal rulings and is used extensively by jurists?

Who was the third Caliph of Islam, known for compiling the Quran into a standard text?