ОЧЕНЬ СРОЧНО!!

Помогите с цепочками:

1.Al->Al2O3->Al2(SO4)3->Al(OH)3->KAlO2->Al(OH)3->Al2O3

2.Ca->CaO->Ca(OH)2->CaCO3->Ca(HCO3)2

3.Zn->ZnSO4->Zn(OH)2->ZnOHCl->ZnCl2

4.Al->Al2(SO4)3->Al(OH)3->Al(OH)2->Al(OH)2Cl->AlCl3

5.P->P2O5->H3PO4->NaH2PO4->Na2HPO4->Na3PO4

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