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Identifying Acidic and Basic Household Products through pH Testing

This experiment aims to determine the acidity or basicity of various household products using pH paper. We will analyze samples from common items like orange, lemon, milk, and ammonia to classify them as acidic, basic, or neutral. The procedure involves preparing labeled beakers, transferring liquid samples to a well plate, using pH paper to assess their properties, and recording the results in a data table. Through this hands-on activity, we can better understand the acid-base nature of familiar substances.

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Identifying Acidic and Basic Household Products through pH Testing

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  1. Which Household Products Are Acidic and Which Are Basic

  2. Purpose: To determine which household products are acidic and which are basic. Materials: Orange Tomato Lemon Ammonia Potato Apple Milk NaOH Water Hypothesis: The acidic items are:____________ The basic items are:________________ Safety: Wash hands after lab

  3. Procedure: 1. Each item is prepared in a labeled beaker. 2. Label your well plate for each item 3. Transfer 5 drops of each sample liquid into the marked well. 4. Put the end of the pH paper into each well 5. Compare it to the chart on the tube. 6. Record your observation on the data table 7 Graph the reading vs the item

  4. NaOH

  5. Bar Graph X axis Y axis

  6. Q’s • Which substances were acidic? Basic? How do you know? • Which substances are neither acidic or basic? How do you know?

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