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Understanding Acids and Bases: pH Measurement and Characteristics

Learn about acids and bases, pH measurement, and their characteristics. Acids taste sour, neutralize bases, and have a pH below 7. Bases taste bitter, neutralize acids, and have a pH above 7. Explore examples of both acids and bases.

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Understanding Acids and Bases: pH Measurement and Characteristics

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  1. ACIDS AND BASES

  2. WHAT IS pHpH is the measurement of how acidic or basic a solution is.

  3. Characteristics of Acids • Tastes Sour • Affects Indicator (red = acid) • Neutralizes Bases • Often Produces Hydrogen Gas • pH between 0 and <7

  4. Characteristics of Bases • Tastes Bitter • Feel Slippery • Neutralizes Acids (Antacids) • Affect Indicators (base = blue) • pH between 7 and 14 • Dissolves grease (degreaser, Draino, Windex)

  5. Examples of Acids • HCl (aq) • H2SO4 (aq) • HF (aq) • Fruit Juices

  6. Examples of Bases • NaOH (aq) • Ca(OH)2 (aq) • KOH (aq) • Baking Soda • Lye • Soap

  7. Lye, ammonia, borax, blood, stomach fluids, vinegar, coffee, water, lemon juice, bleach, tomatoes, tums, milk, baking soda

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