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10 of 10 objectives have lessons · 0 studied · 0 secure
What Cambridge says you should be able to do, in our words. Codes are the topic number plus the objective’s position.
State the names and formulas of the common acids, limited to hydrochloric acid, HCl, sulfuric acid, H₂SO₄, nitric acid, HNO₃, and ethanoic acid, CH₃COOH.
Taught in: The acids and alkalis you'll meet every day · 3 questions
State the names and formulas of the common alkalis, limited to sodium hydroxide, NaOH, potassium hydroxide, KOH, and ammonia, NH₃.
Taught in: The acids and alkalis you'll meet every day · 3 questions
Describe the Brønsted–Lowry theory of acids and bases.
Taught in: Brønsted–Lowry — the proton-passing game · 6 questions
Describe strong acids and strong bases as fully dissociated in aqueous solution, and weak acids and weak bases as partially dissociated in aqueous solution.
Taught in: Acid–base reactions — proton transfers in action · 6 questions
Appreciate that water has a pH of 7, acid solutions a pH below 7 and alkaline solutions a pH above 7.
Taught in: The pH scale — measuring acidity · 4 questions
Explain qualitatively the differences in behaviour between strong and weak acids, including the reaction with a reactive metal and the difference in pH values shown using a pH meter, universal indicator or conductivity.
Taught in: Strong vs weak acids — it's about dissociation · 4 questions
Understand that neutralisation reactions occur when H⁺(aq) and OH⁻(aq) form H₂O(l).
Taught in: Neutralisation — H⁺ meets OH⁻ · 4 questions
Understand that salts are formed in neutralisation reactions.
Taught in: Salts — the neutralisation products · 5 questions
Sketch the pH titration curves of titrations using combinations of strong and weak acids with strong and weak alkalis.
Taught in: Titration curves — the shape of neutralisation · 3 questions
Select suitable indicators for acid–alkali titrations, given appropriate data.
pKa values will not be used.
Taught in: Choosing indicators — catching the jump · 5 questions