H2SO4+Ca=CaSO4+H2;
2NaOH+H2S=Na2S+2H2O;
N2+3I2=2NI3;
6Na+N2=2Na3N;
2K+Cl2=2KCl;
2HCl+2Na=2NaCl+H2
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H2SO4+Ca=CaSO4+H2;
2NaOH+H2S=Na2S+2H2O;
N2+3I2=2NI3;
6Na+N2=2Na3N;
2K+Cl2=2KCl;
2HCl+2Na=2NaCl+H2