Edexcel IGCSE Chemistry 2.44 Flame tests
Practise choosing gas tests and observations for hydrogen, oxygen, carbon dioxide, chlorine and related products in reactions.
- Syllabus
- First assessment 2019
- Course
- Chemistry 4CH1
Exam points
- distinguish hydrogen and oxygen using a lighted splint pop or a glowing splint relighting
- test carbon dioxide with limewater and report the colourless-to-milky change
- link chlorine to bleaching of damp litmus paper when identifying the gas
2.44 Gas tests question 1
A student uses this apparatus to investigate the decomposition of hydrogen peroxide solution.
This is the equation for the reaction.
Give the test for oxygen.
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