Signs of chemical reactions between aluminum and sulfuric acid solution.

The reaction between aluminum and a sulfuric acid solution proceeds with the formation of a salt – aluminum sulfate – and with the release of a gas – hydrogen.

A sign of the reaction will be the release of gas bubbles – hydrogen.

2Al + 3H2SO4 = Al2 (SO4) 3 + 3H2 ↑.

Aluminum reacts with dilute sulfuric acid, and concentrated sulfuric acid passivates it.



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