Multiple Choice
A piece of magnesium metal is placed in a solution of hydrochloric acid, resulting in the formation of hydrogen gas and a solution of magnesium chloride. The class of this reaction is
A) single-displacement reaction.
B) decomposition reaction.
C) combustion reaction.
D) combination reaction.
E) double-displacement reaction.
Correct Answer:

Verified
Correct Answer:
Verified
Q8: Sterno, or "canned heat," contains methanol, CH<sub>3</sub>OH,
Q9: Ozone gas (O<sub>3</sub>)reacts with carbon monoxide gas
Q10: Which of the following is a balanced
Q11: In the figure shown, is a chemical
Q12: Which of the following is a balanced
Q14: The net ionic equation for the acid-base
Q15: Which of the following changes represents a
Q16: After the following equation is properly balanced,
Q17: What is the class of the reaction
Q18: Examine the photograph. Note any evidence of