: Introduction to the pH scale where pH < 7 is acidic, pH 7 is neutral, and pH > 7 is alkaline. Universal indicator and pH paper are used for more precise measurements.
: Feel slippery to the touch and often have a bitter taste. Section 9.2: Indicators and pH Scale new mastering science workbook 2b answer chapter 9
Below are summarized answers and key concepts for both potential Unit 9 topics based on the Oxford/Aristo Workbook materials. Option A: Unit 9 — Acids and Alkalis : Introduction to the pH scale where pH 7 is alkaline