Which Solution Will Turn Litmus Paper Red

question 24

Multiple Choice

Which solution will turn litmus paper red?

• A) 0.5 M KOH
• B) 2.1 M Mg(OH)₂
• C) 4.5 M HC₂H₃O₂
• D) 0.125 M KNO₃

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Definitions:

Price Level

A measure of prices in a given month or year in relation to prices in a base year.

Medium of Exchange

A mechanism or item used to facilitate trade by avoiding the limitations of barter, such as currency or digital forms of money.

MV Rises

A notation that can imply an increase in the velocity of money, which is the frequency at which one unit of currency is used to purchase domestically-produced goods and services within a given time period.

PQ Falls

This term is not sufficiently defined to provide a clear and specific definition without additional context; it could potentially relate to a concept within economics, involving a decrease in quantity (Q) and price (P).