Question

take a piece of magnesium in a test tube. Add 5ml of hydrochloric acid to it.
a) identify the gas formed
b) write down the chemical equation of the above reaction
c) identify the type of themochemical reaction occurs there​

Answer 1

Answer:

a) hydrogen gas.

b) equation :

Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g)

c) exothermic reaction