A:2NaBr+Cl2=2NaCl+Br2
B:2AgOH=Ag2O+H2O
C:2Na+2H2O=2NaOH+H2↑
D:2Na2O2+2H2O=4NaOH+O2↑
金刚石、石墨和C60的化学性质香色,物理性质却又很大差异,其主要原因是( )
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