Chemical analysis extra GCSE questions
Cover the answers and try these Chemical analysis extra checks first. The full quiz in the app includes hints.
How to use these
Write your answer, then check. If you miss one, open the Chemical analysis extra lesson before you retry.
Practice questions
Cover the answers and have a go first. Worked solutions are underneath.
A limitation of a simple flame test is
Qualitative analysis tells you
Sodium ion flame colour is
Potassium ion flame colour is
Common mistakes
- Instrumental analysis is not a replacement for knowing wet tests. The paper still asks flame colours, NaOH precipitates, gas tests and Rf.
- A dirty wire that last tested sodium will give a yellow flame for everything. Learn the five colours - instruments do not let you skip them.
- Do not write that flame emission spectroscopy replaces the need to learn flame colours. It is the instrumental version of the same chemistry.
- Do not claim instruments are always better. A calibrated machine that is broken, or an uncalibrated one, is worse than a careful wet test.
Answers and working
Frequently asked questions
Where can I get more Chemical analysis extra practice?
The ReviseEasy Chemistry quiz for this topic marks you instantly and stores a hint if you are stuck.
Learn, try, get feedback, fix the mistake
ReviseEasy covers GCSE Maths, Combined Science, Triple Science, English Language and English Literature — then drills the topics you keep dropping marks on.
Practise more on ReviseEasy →Related revision
More GCSE revision
ReviseEasy is a GCSE revision website, not a Maths-only site. Lessons, quizzes and flashcards are live for Maths, Combined Science, Triple Biology, Chemistry and Physics, English Language and English Literature. History, Geography and languages are next.