Post Utme Coal City University 2023 Chemistry Question 20

Practice objective / multiple choice question 20 from the 2023 Post Utme Coal City University Chemistry examination.

Post Utme Coal City University 2023 Chemistry Objective / Multiple Choice
Question 20 POST_UTME_COAL_CITY_UNIVERSITY • 2023 • CHEMISTRY • objective

The reaction of magnesium metal with hydrochloric acid produces magnesium chloride and hydrogen gas. Write the balanced chemical equation for this reaction.

Answer Options

A. \text{Mg}(s) + \text{HCl}(aq) \rightarrow \text{MgCl}(aq) + \text{H}_2(g)
Correct Answer B. \text{Mg}(s) + 2\text{HCl}(aq) \rightarrow \text{MgCl}_2(aq) + \text{H}_2(g)
C. \text{Mg}(s) + \text{HCl}(aq) \rightarrow \text{MgCl}_2(aq) + \text{H}_2(g)
D. \text{Mg}(s) + \text{H}_2\text{O}(l) \rightarrow \text{MgCl}_2(aq) + \text{H}_2(g)
Correct Answer
B
Correct Option:
\text{Mg}(s) + 2\text{HCl}(aq) \rightarrow \text{MgCl}_2(aq) + \text{H}_2(g)

About This Question

This is Post Utme Coal City University 2023 Chemistry Question 20. It is one of the objective questions from the 2023 Post Utme Coal City University Chemistry examination.

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