Concept:Surah al-Ikhlāṣ focuses on the oneness and divine attributes of Allah.Explanation:This short chapter of the Qur’an clearly describes Allah as One, Self-Sufficient, and unlike anything else.These attributes are found in Surah al-Ikhlāṣ, which is also known as the chapter of sincerity and tawḥīd.Answer:C. al-Ikhlāṣ