\(\left(1\right)2Al+3H_2SO_4->Al_2\left(SO_4\right)_3+3H_2\\ \left(2\right)Al_2\left(SO_4\right)_3+6NaOH->3Na_2SO_4+2Al\left(OH\right)_3\\ \left(3\right)Al\left(OH\right)_3+3HNO_3->Al\left(NO_3\right)_3+3H_2O\\ \left(4\right)2Al+\dfrac{3}{2}O_2-^{^{ }T^{^{ }0}C}->Al_2O_3\\ \left(5\right)2Al\left(OH\right)_3-^{^{ }T^{^0}C}->Al_2O_3+3H_2O\\ \left(6\right)Al+NaOH+H_2O->NaAlO_2+\dfrac{3}{2}H_2\\ \left(7\right)Al_2O_3+2NaOH->2NaAlO_2+H_2O\\ \left(8\right)Al_2O_3+2H_3PO_4->2AlPO_4+3H_2O\\ \left(9\right)Al\left(NO_3\right)_3+Na_3PO_4->AlPO_4+3NaNO_3\)
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