0654.C9.4.02 — Describe the reactions, if any, of: (a). potassium, sodium and calcium with cold water (b) . magnesium with steam (c) . magnesium, zinc, iro: past paper questions
Real questions on 0654.c9.4.02 — describe the reactions, if any, of: (a). potassium, sodium and calcium with cold water (b) . magnesium with steam (c) . magnesium, zinc, iro
The newest 7 of 7 written questions. Open one to see it on the real paper.
- 0973/31 · May/June 2024 · Q2b(i)[2]
Deduce the order of reactivity of the four metals from the most reactive to the least reactive. most reactive least reactive
See it on the paper → - 0973/31 · October/November 2021 · Q11c(iii)[1]
The teacher reacts lithium with water. Compare the reactivity of lithium with the reactivity of potassium.
See it on the paper → - 0973/31 · May/June 2021 · Q5a(ii)[1]
Suggest the name of the gas produced when an alkali metal reacts with water.
See it on the paper → - 0973/31 · May/June 2020 · Q8a(iii)[2]
Calcium and copper are added to separate amounts of water. Describe the reaction, if any, for each metal. calcium
See it on the paper → - 0973/32 · May/June 2020 · Q8a(i)[1]
State one metallic element that reacts very quickly with water releasing hydrogen gas.
See it on the paper → - 0973/32 · May/June 2020 · Q8a(ii)[1]
The reaction in (a)(i) produces an aqueous solution that has a pH greater than seven. Explain why.
See it on the paper → - 0973/42 · May/June 2020 · Q5c(i)[2]
Use the information in Table 5.1 to complete the order of reactivity of the metals. most reactive least reactive
See it on the paper →
What examiners said
Hydrogen was not well known as the gas produced when an alkali metal reacts with water. Carbon dioxide was often suggested.
— Examiner report, May/June 2021, 0973/31 Q5(a)(ii) (Cambridge)
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