0654.C7.1.01 — Describe the characteristic properties of acids in terms of their reactions with: (a).metals (b).bases (c).carbonates: past paper questions
Real questions on 0654.c7.1.01 — describe the characteristic properties of acids in terms of their reactions with: (a).metals (b).bases (c).carbonates
The newest 9 of 9 written questions. Open one to see it on the real paper.
- 0973/31 · May/June 2026 · Q8c(ii)[2]
(ii) Dilute sulfuric acid reacts with magnesium to produce magnesium sulfate and a gas. This gas makes a squeaky pop with a lighted splint. Construct the word equation for this reaction. beet .......... iceceeetteetenteteeee ..........
See it on the paper → - 0973/31 · October/November 2023 · Q11a(i)[2]
Complete the word equation for this reaction. sulfuric + acid +
See it on the paper → - 0973/41 · October/November 2023 · Q5a[1]
The pH of a solution describes how acidic or alkaline it is. State which of these values shows the pH of a strong acid. Tick (3) one box. 14 7 5 1
See it on the paper → - 0973/41 · October/November 2023 · Q5b[3]
Complete the sentences about dilute hydrochloric acid and aqueous sodium hydroxide. Choose words from the list. Each word may be used once, more than once or not at all. acceptor catalyst donor an electron a proton Dilute hydrochloric acid is defined as an acid because it is . Aqueous sodium hydroxide is defined as a b...
See it on the paper → - 0973/31 · May/June 2022 · Q8b(ii)[2]
Predict how the pH of the water changes as the gas bubbles through it. Explain your answer. pH change explanation
See it on the paper → - 0973/42 · May/June 2021 · Q8f[1]
Dilute hydrochloric acid is an acid. Define an acid in terms of proton transfer.
See it on the paper → - 0973/31 · October/November 2020 · Q8c(iii)[1]
The electrolyte in apparatus S is an aqueous acid. Suggest the name of this acid.
See it on the paper → - 0973/41 · October/November 2019 · Q5c(ii)[1]
Explain how protons (H + ) are involved in the reaction between an acid and a base.
See it on the paper → - 0973/42 · May/June 2019 · Q11c[1]
Compound X, H 2 S 2 O 7 , is formed in stage 3. Name compound X.
See it on the paper →
What examiners said
The majority of candidates identified pH 1 as the pH value of a strong acid.
— Examiner report, October/November 2023, 0973/41 Q5(a) (Cambridge)
Candidates that gained marks for this question usually identified that dilute hydrochloric acid is a donor and aqueous sodium hydroxide is an acceptor but were unable to identify that they were a proton donor and a proton acceptor respectively.
— Examiner report, October/November 2023, 0973/41 Q5(b) (Cambridge)
Some candidates answered in terms of acidity rather than pH change. Few candidates explained that carbon dioxide is acidic or that it is a non-metal oxide.
— Examiner report, May/June 2022, 0973/31 Q8(b)(ii) (Cambridge)
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