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Qualitative analysis flashcard includes the distinguishing tests, and their observations for the various cations, anions and gases in that are tested in the Chemistry O level syllabus. Mobile phones are so common nowadays. Many secondary school students own them. This set of flash cards are created so that students can study on the GO. I have purposely created the flashcards in as small a file size as possible, so that you can download it whenever you need it, and revise. This flashcard is created based on my notes available at http://chemistryforsg-olevel.blogspot.com .

Cations include ammonium, calcium, iron, copper, aluminium and lead.
Anions include ammonium, carbonate, chloride, iodide, and sulphate.
Gases include carbon dioxide, ammonia, chlorine, oxygen and hydrogen.

Through these flashcards, I hope that students will be able to memorise or identify the different ions and gases readily during their tests and exams.