RRB NTPC · प्रश्न 28
एकमात्र अधातु जो कमरे के तापमान पर तरल है, ________ है।
उत्तर देखें और व्याख्या
उत्तर: (B) ब्रोमिन
व्याख्या
Bromine is the only non-metal that is liquid at room temperature; it is a red-brown, fuming liquid. Mercury is also liquid but is a metal, chlorine is a gas, and gallium is a metal that melts at about 30 °C.