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CAIE A-Level Chemistry 10.1.2 Reactions of Group 2 Compounds

Practise equations and observations for Group 2 oxides, hydroxides and carbonates with water and dilute acids.

Syllabus
2028–2030
Course
Chemistry 9701
Level
AS

Exam points

  • write oxide or hydroxide neutralisation equations forming a Group 2 salt and water
  • write carbonate–acid equations forming the salt, water and CO2 and state the effervescence
  • use solubility and disappearance of a white solid to distinguish oxide, hydroxide or carbonate reactions

10.1.2—Reactions of the oxides, hydroxides question 1

[Maximum number: 2]

State what is observed when dilute hydrochloric acid is added to separate samples of barium oxide and barium carbonate.
barium oxide
barium carbonate

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