Litmus paper- Red
Key Properties:
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Color: The paper is naturally red.
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Function: It turns blue when exposed to a basic solution (pH > 7).
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Alkaline Indicator: Used to test for alkalinity—if the substance being tested is neutral or acidic, the paper will remain red.
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Size: Available in small strips or sheets for easy testing in liquids or on surfaces.
Uses:
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pH Testing: Commonly used in laboratories, schools, and home chemistry kits to test if a solution is basic or neutral.
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Classroom Demonstrations: Often used in science classrooms to show acid-base reactions and to illustrate the concept of pH.
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Field Testing: Used in environmental testing for detecting basic or alkaline substances in water, soil, or chemicals.