Chemistry 5070 · O Level · Identification of ions and gases

Identification of ions and gases — practice question

A student receives aqueous copper(II) chloride, aqueous zinc sulfate, and an aqueous sample labelled X. The student then examines the three solutions.
(a)[7]

Complete the table using the expected observations.

(b)[2]

Identify the substance X.

Worked solution & mark scheme

This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: “A blue precipitate with copper(II) chloride” …

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