Question

Consider the equation below.

Mg(s) + 2HCl(aq) → MgCl₂(aq) + H₂(g)
Which compound is the gas in this chemical reaction?
O Mg
O HCI
O MgCl₂
OH₂

Answer 1

H2(hydrogen gas)

Step-by-step explanation:

The reaction between magnesium and hydrochloric acid combine to form a salt (magnesium chloride) and release gas (hydrogen).