2Na+Cl2=2NaCl (1.-б)
2Na+S=Na2S(2.-в)
2Na+2H2O=2NaOH+H2↑(3.-а)
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2Na+Cl2=2NaCl (1.-б)
2Na+S=Na2S(2.-в)
2Na+2H2O=2NaOH+H2↑(3.-а)