CAIE IGCSE Chemistry 9.4.3 Deduce an Order of Reactivity From a Questions

Work through real CAIE IGCSE Chemistry questions to place metals in the reactivity series using experimental evidence.

Syllabus
2026–2028
Course
Chemistry 0620

Exam points

  • order metals by reactivity using reactions with water, acids and oxides
  • use displacement from aqueous salt solutions to compare metal reactivity
  • interpret extraction by carbon and oxide reduction as reactivity evidence
  • combine multiple observations to place unknown metals in the reactivity series

CAIE IGCSE Chemistry 9.4.3 Deduce an Order of Reactivity From a Questions question 1

[Maximum number: 1]

Four metals, Q, R, S and T, are each added to separate samples of water, steam and dilute hydrochloric acid.

The results are shown.

Table for Question CAIE IGCSE Chemistry 9.4.3 Deduce an Order of Reactivity From a Questions question 1 — CAIE IGCSE Chemistry

Which statements are correct?

1 R is the least reactive metal.
2 T could be potassium.
3 S is more reactive than Q and R.
4 Metals generally react faster with steam than they react with water.

A

1, 2 and 4

B

1 and 2 only

C

2 and 3

D

3 and 4

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