KBC 2023| Which of these elements is not a magnet? KBC 2023, Check the answer to the question- Which of these elements is not a magnet? By Himani Budakoti - September 27, 2023 KBC 2023, Amitabh Bachchan. (Representative Image) KBC 2023, The options of the question – Which of these elements is not a magnet? A. Iron B. Carbon C. Nickel D. Cobalt The answer is B. Carbon.