alleryକୋଠରୀ ତାପମାତ୍ରାରେ, ତରଳ (LIQUID) ଅବସ୍ଥାରେ ଥିବା ଏକମାତ୍ର ଧାତୁ ହେଉଛି:
Aସୋଡିୟମ୍ (Na)
Bଆଲୁମିନିୟମ୍ (Al)
Cମରକ୍ୟୁରୀ (Hg)
Dଲୁହା (Fe)
Answer & Solution
Correct answer: C. ମରକ୍ୟୁରୀ (Hg)
ମରକ୍ୟୁରୀ (Hg) ହେଉଛି କୋଠରୀ ତାପମାତ୍ରାରେ ତରଳ ଥିବା ଏକମାତ୍ର ଧାତୁ (ଗଳନାଙ୍କ -39°C)।
ଅନ୍ୟ ସମସ୍ତ ସାଧାରଣ ଧାତୁ କଠିନ ଅଟନ୍ତି
bromine ହେଉଛି ଏକମାତ୍ର ତରଳ ଅଧାତୁ।
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