Question

example
On A piece of magnesium is put in a test tube containing hydrochloric acid.
Eg
the chemical
reaction​

Answer 1

Answer:

Magnesium reacts with hydrochloric acid according to the equation: Mg(s) + 2 HCl(aq) --> MgCl2(aq) + H2(g) This demonstration can be used to illustrate the characteristic reaction of metals with acid, a single replacement reaction, or to demonstrate the generation of hydrogen gas.

Explanation:

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Answer 2

Explanation:

Mg +2Hcl = MgCl2+H2

here H2 gas is liberated when metal react with acid