Colorado Esthetician Written Practice Exam 2025 – Comprehensive All-in-One Guide for Exam Success!

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What is a characteristic of alkalis?

Substances with a pH below 7.0

The correct answer is A. Alkalis are substances that have a pH above 7.0, making them basic in nature. This means that alkalis can help neutralize acids. Substances with a pH below 7.0 are considered acidic, not alkaline. Water-loving (or hydrophilic) and oil-loving (or lipophilic) are characteristics of molecules in relation to their affinity to water or oil, and not specific to alkalis.

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Water-loving

Oil-loving

Substances with a pH above 7.0

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