alleryਕਮਰੇ ਦੇ ਤਾਪਮਾਨ 'ਤੇ, ਤਰਲ ਅਵਸਥਾ ਵਿੱਚ ਮੌਜੂਦ ਇੱਕੋ ਇੱਕ ਧਾਤ ਹੈ:
Aਸੋਡੀਅਮ (Na)
Bਐਲੂਮੀਨੀਅਮ (Al)
Cਮਰਕਰੀ (Hg)
Dਲੋਹਾ (Fe)
Answer & Solution
Correct answer: C. ਮਰਕਰੀ (Hg)
ਕਮਰੇ ਦੇ ਤਾਪਮਾਨ 'ਤੇ ਮਰਕਰੀ (Hg) ਇੱਕੋ ਇੱਕ ਧਾਤੂ ਤਰਲ ਹੈ (ਪਿਘਲਣ ਬਿੰਦੂ -39°C)। ਬਾਕੀ ਸਾਰੀਆਂ ਆਮ ਧਾਤਾਂ ਠੋਸ ਹਨ। ਬ੍ਰੋਮਾਈਨ ਇੱਕੋ ਇੱਕ ਤਰਲ ਗੈਰ-ਧਾਤੂ ਹੈ।
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