New Mastering Science Workbook 2b Answer Chapter 9 -
: Identifying substances by taste (sour for acids, bitter for alkalis) is dangerous, so the chapter emphasizes using natural indicators like red cabbage or rose petals.
Chapter 9 introduces students to solutions they interact with daily. The curriculum separates these substances based on their chemical behaviors, sour or bitter properties, and reactions to specific chemical indicators. new mastering science workbook 2b answer chapter 9