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Wednesday, July 31, 2019
धातुओं को पीटकर पत्तर बनाना आसान है । यह धातु के किस गुणधर्म को बतलाता है ?
(A) कठोरता
(B) चालकता
(C) आघातवर्ध्यता
(D) सक्रियता
Ans- C
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