Plss answer me the 19
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mercury is a 19 state of atoms
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Mg(s)+O2(g)=MgO(in the form of ash)
Na(s)+H2O(l)=Na2O(aq)+h2(released)
Fe(s)+H2O(g)=FeO+H2(released)
Ca(s)+H2O(l)=CaO+H2(released)
2Al + Fe2O3→ Al2O3 + 2Fe
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