alleryಕೋಣೆಯ ಉಷ್ಣಾಂಶದಲ್ಲಿ, ದ್ರವ ಸ್ಥಿತಿಯಲ್ಲಿ ಅಸ್ತಿತ್ವದಲ್ಲಿರುವ ಏಕೈಕ ಲೋಹವೆಂದರೆ:
Aಸೋಡಿಯಂ (Na)
Bಅಲ್ಯೂಮಿನಿಯಂ (ಅಲ್ಯೂಮಿನಿಯಂ)
Cಪಾದರಸ (Hg)
Dಕಬ್ಬಿಣ (Fe)
Answer & Solution
Correct answer: C. ಪಾದರಸ (Hg)
ಕೋಣೆಯ ಉಷ್ಣಾಂಶದಲ್ಲಿ (ಕರಗುವ ಬಿಂದು -39°C) ಪಾದರಸ (Hg) ಏಕೈಕ ಲೋಹದ ದ್ರವವಾಗಿದೆ. ಇತರ ಎಲ್ಲಾ ಸಾಮಾನ್ಯ ಲೋಹಗಳು ಘನವಾಗಿವೆ; ಬ್ರೋಮಿನ್ ಏಕೈಕ ದ್ರವ ಲೋಹವಲ್ಲದ ಲೋಹವಾಗಿದೆ.
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