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Chemistry 5070 · Cambridge (CAIE) O Level

Reactivity Series

17 past-paper questions on Reactivity Series · examined 2020–2025.

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20253 questions

5070/12 · O/N · Q25 [1]Sign up to mark my answer →

When a piece of aluminium is placed in cold, dilute hydrochloric acid, no reaction is observed initially. What is the reason for this?

5070/12 · O/N · Q25 [1]Sign up to mark my answer →

When a piece of aluminium is placed in cold, dilute hydrochloric acid, no reaction is observed initially. What is the reason for this?

5070/32 · O/N · Q2(f) [5]Sign up to mark my answer →

To a 2 cm depth of Q in a test‑tube, add a piece of magnesium ribbon.

20243 questions

5070/11 · O/N · Q26 [1]Sign up to mark my answer →

Group I elements and transition elements are metals. Student X suggests that the Group I elements are above hydrogen in the reactivity series but that not all transition elements are above hydrogen. Student Y suggests that the densities of Group I elements are lower than those of the transition elements. Which students are correct?

5070/12 · M/J · Q28 [1]Sign up to mark my answer →

Which statement is correct?

5070/12 · O/N · Q30 [1]Sign up to mark my answer →

A metal ore contains an oxide, MO. Metal M forms coloured compounds. When a piece of iron is placed into a solution containing aqueous M2+ ions, M is displaced. Which row is correct?

20232 questions

5070/12 · M/J · Q29 [1]Sign up to mark my answer →

Metal X reacts with cold water to form a gas. Zinc displaces metal Y from solutions of its salts. The carbonate of metal Z is insoluble. What could be the identities of X, Y and Z?

5070/22 · O/N · Q2(e) [1]Sign up to mark my answer →

Put the four metals in order of their reactivity. Put the least reactive metal first.

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