Which of the following is the only non-metallic substance present in liquid state at room temperature?
A. Fluorine
B. Iodine
C. Chlorine
D. Bromine
Answer: Option D
Related Questions on Non Metal and Its Compounds
Red phosphorus is less reactive than yellow phosphorus because
A. it is red in colour
B. it is highly polymerised
C. it is insoluble in C2H5OH
D. it is hard

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