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Acids, Alkalis, and the pH Scale

10th Grade · Science · UK GCSE

6 lessons

Goal

Define acids and alkalis, measure relative acidity and alkalinity using indicators and pH meters, and classify solutions.

6 lessons
0 of 6 done
  1. Defining Acids, Bases, and Soluble AlkalisUp next
  2. The pH Scale: Acidic, Neutral, and Alkaline RangesNot started yet
  3. Measuring pH: Universal Indicator vs Digital pH ProbesNot started yet
  4. Single-Colour Change Indicators: Litmus, Methyl Orange, and PhenolphthaleinNot started yet
  5. Investigating Everyday Household Substances on the pH ScaleNot started yet
  6. GCSE Exam Mastery: The pH Scale and Indicator SelectionYou are here
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Learning standards covered

gbUK-GCSE-SCIENCE-CHEM-CC-03General Certificate of Secondary Education (GCSE) · Science · 10th Grade

Chemistry of acids

Open Global Standard:OGS.11.PS.EQ.4
gbUK-GCSE-SCIENCE-CHEM-CC-03-03General Certificate of Secondary Education (GCSE) · Science · 10th Grade

recall that relative acidity and alkalinity are measured by pH

Open Global Standard:OGS.11.PS.EQ.4
gbUK-GCSE-SCIENCE-CHEM-CC-03-08General Certificate of Secondary Education (GCSE) · Science · 10th Grade

describe neutrality and relative acidity and alkalinity in terms of the effect of the concentration of hydrogen ions on the numerical value of pH (whole numbers only)

Open Global Standard:OGS.11.PS.EQ.4
GlobalOGS.11.PS.EQ.4