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What is the colour of the flame test for sodium?
yellow
What is the colour of the flame test for potassium?
lilac
What is the colour of the flame test for lithium?
red
What is the colour of the flame test for calcium?
orange-red
What is the colour of the flame test for barium?
light green
What is the colour of the flame test for copper?
blue-green
What is the test for ammonia?
turns damp red litmus paper blue
What is the test for oxygen?
relights a glowing splint
What is the test for hydrogen?
‘pops’ with a lighted splint- squeaky pop
What is the test for chlorine gas?
bleaches damp litmus paper
What is the test for carbon dioxide?
turns limewater milky/cloudy
What is the test for sulfur dioxide?
turns acidified aqueous potassium manganate(VII) from purple to colourless
What is the effect of adding NaOH solution to the aluminium ion?
white ppt., soluble in excess, giving a colourless solution
What is the effect of adding NaOH solution to the ammonium ion?
ammonia produced on warming
What is the effect of adding NaOH solution to the calcium ion?
white ppt., insoluble in excess
What is the effect of adding NaOH solution to the chromium(III) ion?
green ppt., soluble in excess
