Rock the Wyoming State Board Cosmetology Exam 2025 – Glam Up and Ace the Test!

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What distinguishes a base from an acid in terms of pH?

Bases have a pH below 7; acids have a pH above 7

Bases and acids have the same pH

Bases have a pH above 7; acids have a pH below 7

The distinction between bases and acids in terms of pH is fundamentally based on their positions on the pH scale, which ranges from 0 to 14. A pH value below 7 indicates acidity, while a pH value above 7 indicates basicity, or alkalinity. This means that substances that are considered bases are characterized by a pH greater than 7, showcasing their ability to accept hydrogen ions in solution or contribute hydroxide ions. In contrast, acids possess a pH that falls below the 7 mark, indicating their propensity to donate hydrogen ions when dissolved in water. Therefore, recognizing that bases correspond to higher pH levels and acids to lower levels clearly defines their respective identities on the pH scale.

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Bases have a neutral pH; acids have a pH above 7

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