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#STATEWISE NTSE MCQ's CHEMISTRY Number of molecules present i | Class 9th MCQ - Pre-NTSE Quiz

#STATEWISE NTSE MCQ's CHEMISTRY

Number of molecules present in 32 g of O2 is
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48%
6.022×10²³
25%
3.011×10²³
13%
1.51×10²³
14%
6.022×10²²