Concept:The unity of Allah, known as Tawhid, is the central message of Suratul-Ikhlas.
Explanation:Suratul-Ikhlas is the
112th chapter of the Quran and is devoted entirely to affirming Allah's oneness.
Its opening verse declares: "Say: He is Allah, the One."
This chapter teaches that Allah is unique, eternal, and without any partner or equal.
Suratul-Kafirun focuses on rejecting disbelief and disbelievers, not directly on declaring Allah's unity.
Suratul-Falaq is a supplication seeking refuge from harm and evil.
Suratul-Qadr discusses the Night of Majesty, in which the Quran was revealed.
Thus, among the options, the unity of Allah is most clearly expressed in Suratul-Ikhlas.
Answer:B. Ikhlas