Which is the only non-metal that turns into liquid at room temperature?
A. mercury
B. bromine
C. chlorine
D. gallium
Answer: Option B
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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