Question

If a piece of magnesium was put into a solution M, hydrogen gas would be evolved.Why? Explain using a suitable equation.***

Answer 1

If the magnesium is put in a Acid it will release hydrogen gas

Answer 2

Suppose that we put a piece of magnesium into a solution of HCl then the following reactio will take place---

Mg(s) + HCl(aq) -------> MgCl2 (aq) + H2(g)

Hydrogen gas has been evolved in yhe above reaction because of the rule that..

Metal + Acid--------> Salt+ Hydrogen gas


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