Ребят, решите срочно по химии!!!
Al(OH)3--->Al2O3--->Al
[Ag(NH3)2]OH--->неизв.--->Ag2S
Cu(OH)2--->Cu2O--->неизв.--->Cu(OH)2
(CH3COO)2Ca--->неизв.--->CaO
Ca3N2--->NH4Cl--->NH3--->неизв.--->Fe(NO)SO4
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