Kis dhatu ko chaku se kata ja sakta hai
Asked by admin @ in Science viewed by 295 People
निम्न में से किस धातु को चाकू से आसानी से काटा जा सकता है
(अ) सोडियम
(ब) मर्करी
(स) कॉपर
(द) आयरन
Answered by admin @
Answer:
दिए गए प्रश्न का उचित उत्तर है विकल्प (अ) सोडियम
Explanation:
वैसे तो धातुओं की यह एक खास विशेषता होती है की वह बहुत ही कठोर एवं सख्त होती हैं और ना ही वह आसानी से टूट या कट सकती हैं परंतु ऐसी धातुओं में सोडियम और पोटैशियम ऐसी धातुएँ हैं जिन्हें आसानी से काटा जा सकता है।
सोडियम और पोटैशियम बहुत ही नर्म होती हैं और यह इतनी नर्म होती हैं की इन्हें किसी भी पैनी चीज़ से जैसे चाकू से आसानी से काटा जा सकता है।
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