(a–d)[8]
Complete the table by filling in the missing conclusions, tests, observations and the observations that support the conclusions stated.
(e)[1]
Conclusion: The formula for compound $Z$ is ____________.
Chemistry 5070 · O Level · Identification of ions and gases
Identification of ions and gases — practice question
The table below summarises the tests that a student carries out on compound $Z$.
Worked solution & mark scheme
This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: “a transition metal/element is present / Z is a compound containing a transition metal/element” …
- Full mark scheme, point by point
- Step-by-step worked solution
- Write your answer & get it marked instantly by AI