Question

Which gas is rapidly produced when elemental aluminium react with sodium hydroxide solution?

Answer 1

Answer: hydrogen gas

Explanation:

Well, sodium alluminate is also formed when elemental aluminium (amphoteric metal) react with sodium hydroxide...

Along with this there is a rapid evolution of hydrogen gas...

The reaction after balancing is in this way :-

2Al+2 NaOH+2H2O=2NaAlO2+3H

Sodium aluminate