Concept:The oneness of Allah is known as Tawhid, and it is the central theme of a specific short chapter of the Quran.
Explanation:Suratul Ikhlas clearly declares the unity and uniqueness of Allah.
It states that Allah is One, Eternal, and Absolute.
No other surah from the given options focuses entirely on this single message.
Suratul Qadr speaks about the Night of Power.
Suratul Falaq is a prayer for protection from evils.
Suratul Kafirun rejects disbelief but the purest expression of Allah's unity is in Ikhlas.
Answer:D. Ikhlas