INVESTIGATING COMMON CHEMICALS USING UNIVERSAL INDICATOR Skills: AI AIM: To identify common (household) chemicals as an acid or base using universal indicator APPARATUS and MATERIALS: juice, baking soda, Smaller beakers Universal indicator toothpaste labelled with each paper strips chemical Washing soda Chart for universal indicator paper (NaCO3), salt, coca Droppers for each cola, distilled chemical Household water, limewater chemicals – lemon DIAGRAM: Diagram showing colours of universal indicator paper with various pH values.
INVESTIGATING COMMON CHEMICALS USING UNIVERSAL INDICATOR Skills: AI AIM: To identify common (household) chemicals as an acid or base using universal indicator APPARATUS and MATERIALS: Smaller beakers labelled with each chemical Droppers for each chemical Universal indicator paper strips Chart for universal indicator paper Household chemicals – lemon juice, baking soda, toothpaste Washing soda (NaCO3), salt, coca cola, distilled water, limewater DIAGRAM: Diagram showing colours of universal indicator paper with various pH values.
13_id_acids_and_bases_student_version.docx