Related Categories: Red Litmus Paper | Ph Test
  • Litmus Paper

    Get your students to figure out whether your unknown chemical is an acid or base. Litmus blue is used for testing the acidity of a solution whereas red is used for testing the alkalinity of a solution.• Available in blue (pH 5-8) and red (pH 5-9)• 20 leaves in each book• Pack of 10…

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