______ is the only non-metal in liquid state.
Bromine
Explanation for the correct option:
(C) Bromine:
Hence, (C) is the correct option.
Explanation for the incorrect options:
(A) Chlorine:
(B) Iodine:
(D) Mercury:
Therefore, the correct option is (C) Bromine. It is the only nonmetal found in the liquid state.