25 баллов. Химия. Срочно

Question

25 баллов. Химия. Срочно

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Answer 1

4Al +3O2 = 2Al2O3
Al2O3 + 3H2O = 2Al(OH)3
Al(OH)3 + 3HCL = AlCl3 +3H2O
AlCl3 +3NaOH = Al(OH)3 +3NaCl
2Al(OH)3 = Al2O3 +3H2O
Al2O3 + 3H2 = 2Al +3H2O