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C12 PPQ mistakes
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Total cards: 3•Content version: v4•Public deck•Updated: 8/1/2026
Card preview (3)
#1
Front (Question)
Describe how to carry out a flame test
Back (Answer)
• soak a wooden splint in solution • burn it over a roaring flame
#2
Front (Question)
chromotography method
Back (Answer)
• Draw line using pencil 1cm from the bottom • Dot the ink on the line • Place into solvent so only paper and not ink touches it • Wait until solvent has reached 1cm from the top of the paper
#3
Front (Question)
why does limewater turn cloudy in the presence of CO2
Back (Answer)
solid calcium carbonate formed