Chemistry 5070 · O Level · Identification of ions and gases

Identification of ions and gases — practice question

A solid sample R contains two cations and one anion. The table lists the tests a student performs on R.
(main)[11]

Complete the table. Identify any gases produced in the tests.

Worked solution & mark scheme

This 11-mark question has a full step-by-step worked solution and mark scheme. One marking point: “R has ions or a compound of a transition element” …

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