Teachers Guide for Acid-Base Reactions

7 small test tubes, 2 corks to fit the test tubes, red and blue litmus paper, baking soda, magnesium turnings, vinegar, lemon juice, carbonated water, washing soda, soap solution, unknown solution (diluted ammonia water), 10mL graduated cylinder, safety goggles, lab apron . Demonstration 1: Disappearing ink available in many toyshops. ................
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