Card 1 of 26
How should a splint be used to test for hydrogen?
A
Hold a lit splint at the mouth of the test tube.
B
Other gases, such as nitrogen, also extinguish flames.
C
Chlorine would dissolve in the water.
D
Air contains only about 21% oxygen, too little to relight it.
Card 1 of 26
4.2.1 Tests to identify gases Flashcards
26 flashcards on OCR GCSE Chemistry 4.2.1 Tests to identify gases: the key terms, definitions and equations you need to recall for Paper 1 and Paper 2 (Foundation Tier) or Paper 3 and Paper 4 (Higher Tier).