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Red Cabbage Litmus

Grade Level:: 10
Subject:: Science
Topic:: Chemical Reactions (Acids and Bases)
(C2) Investigate, through inquiry, the characteristics of chemical reactions
Objective:: (C2.6) Plan and conduct an inquiry to classify some common substances as acidic, basic, or neutral (e.g., use acid-base indicators or pH test strips to classify common household substances)
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Prep:: Prepare cabbage juice, print Red Cabbage Lab for students (30)
Materials:: Red cabbage juice
Masking tape
Pen or pencil
Baking soda
Tap water
Distilled water
Lemon juice
Antacid tabs
Other clear liquids or compounds that will dissolve in water ie hand
sanitizer, salt, sugar)
Standards Met:

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Red Cabbage Litmus