You may use your data from the laboratory activity. Laundry detergents 2. Oral hygiene products 3. Soft drinks 5. You may use your data from the laboratory activity.
Teacher selects one product, previously tested by students, to be identified.
Teacher answers one question per group, until sufficient clues have been supplied to enable all students to identify the product. This step may be repeated. Without further conferencing, each student submits an answer to the product's identity, with an explanation for the choice. Their explanations should reflect their ability to classify products according to acid-base properties, and correlate the classification to the product.