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किसी तत्व का परमाणु भार लगभर 26.89 है तथा उसका तुल्यांकी भार 9 है, तो धातु का स्पष्ट परमाणु भार होगा
A. 27
B. 8.9
C. 26.89
D. 17.8

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Correct Answer - A
तत्व की संयोजकता
`=("परमाणु भार")/("तुल्यांकी भार")=(26.86)/(9)=3`
स्पष्ट परमाणु भार `=9xx3=27`

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