0654.C7.1.06 — Describe how to compare neutrality, relative acidity and relative alkalinity in terms of colour and pH using universal indicator: past paper questions
Real questions on 0654.c7.1.06 — describe how to compare neutrality, relative acidity and relative alkalinity in terms of colour and ph using universal indicator
The newest 8 of 8 written questions. Open one to see it on the real paper.
- 0973/31 · May/June 2026 · Q8c(i)[1]
Suggest the pH of dilute sulfuric acid.
See it on the paper → - 0973/31 · May/June 2024 · Q5c[1]
Water is neutral. State the pH number of pure water. pH =
See it on the paper → - 0973/32 · May/June 2024 · Q8b(i)[1]
State the pH number of pure water. pH =
See it on the paper → - 0973/32 · May/June 2024 · Q8b(ii)[1]
Suggest the pH number of the aqueous sodium hydroxide. pH =
See it on the paper → - 0973/31 · May/June 2023 · Q11a(ii)[2]
The filtrate is tested to find its pH number. One way of finding the pH number is to use a pH meter. Describe one other way to find the pH number of the filtrate.
See it on the paper → - 0973/31 · October/November 2021 · Q11c(i)[1]
State the pH of the water. pH
See it on the paper → - 0973/31 · October/November 2021 · Q11c(ii)[2]
A teacher reacts potassium with the water. Potassium hydroxide solution is made in the reaction. Suggest the pH of the resulting potassium hydroxide solution and the colour of the universal indicator. pH colour of universal indicator
See it on the paper → - 0973/41 · October/November 2019 · Q7a(i)[1]
Suggest why sodium carbonate is added to the mixture.
See it on the paper →
What examiners said
Few candidates suggested the use of universal indicator and even fewer explained the correct use of a pH colour chart.
— Examiner report, May/June 2023, 0973/31 Q11(a)(ii) (Cambridge)
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