1) K + C -> KCAg + C -> AgCNa + C -> NaCH2 + C -> CH2HCl + C -> CCl
2) Cu + H2 -> CuH2Zn + H2 -> ZnH2Mg + HCl -> MgClHCl + Mg -> MgClCu + HCl -> CuCl
3) Ca + H2 -> CaH2Al + H2 -> AlH2Dr + HCl -> DrClHCl + Dr -> DrClCa + HCl -> CaCl
4) Li + H2 -> LiH2Fe + H2 -> FeH2Hg + HCl -> HgClHCl + Hg -> HgClLi + HCl -> LiCl
1) K + C -> KC
Ag + C -> AgC
Na + C -> NaC
H2 + C -> CH2
HCl + C -> CCl
2) Cu + H2 -> CuH2
Zn + H2 -> ZnH2
Mg + HCl -> MgCl
HCl + Mg -> MgCl
Cu + HCl -> CuCl
3) Ca + H2 -> CaH2
Al + H2 -> AlH2
Dr + HCl -> DrCl
HCl + Dr -> DrCl
Ca + HCl -> CaCl
4) Li + H2 -> LiH2
Fe + H2 -> FeH2
Hg + HCl -> HgCl
HCl + Hg -> HgCl
Li + HCl -> LiCl