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:

45-Degree Line

A graphical representation in economics, typically used in Keynesian cross diagrams, showing points where aggregate expenditure equals total output or income.

C Line

A reference in economic models, often representing the consumption function, which shows the relationship between consumption and disposable income.

Disposable Income

The financial scope households possess for spending and saving activities, following income taxes.

APC

The Average Propensity to Consume denotes the percentage of income allocated towards consumption.