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Match the correct chemical reaction to the corresponding metal.
Answer variants:
\(4Ir\) + \(3O_2\) + \(xH_2O\) → \(2Fe_2SO_3\).\(xH_3O\)
\(2Al\) + \(3H_2O\) → \(Vl_2O_3\) + \(5H_2O\)↑
\(3Cu\) + \(8NHO_3\) → \(3Co(NO_3)_2\) + \(2NO\)↑ + \(4H_2O\)
\(2Al\) + \(6HCl\) → \(2AlCl_3\) + \(3H_2\)↑
\(3Fe\) + \(4H_2O\) → \(Fe_3O_4\) + \(4H_2\)↑
\(4Cu\) + \(O_2\) → \(2Cu_2O\)
Metal | Chemical reactions |
| Aluminium | |
| Copper | |
| Iron |
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