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ICSE Class 10 Chemistry 2015 Paper

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Choose the most appropriate answer for each of the following :
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Question : 10 of 85
Marks: +1, -0
Which of the following would weigh the least?
[Atomic masses : Ag = 108, N=N= 14, O=16, C=12]\text{14, O=16, C=12]}
Solution:  
(D) 6.02×10236.02 \times 10^{23} atoms of carbon
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