A Piece of Magnesium Metal Is Placed in a Solution

question 13

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.

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Definitions:

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