C3.4 Further Quantitive Flashcards
What are the colour changes for universal indicator?
Red to purple
What’s the equation for concentration?
Concentration=mole/volume (x1000 if in cm3)
What are the colour changes for methyl orange?
Red to yellow
What are the colour changes for phenolphthalein?
Colourless to pink
What’s the gas test for carbon dioxide?
Lime water turns cloudy
What’s the gas test for hydrogen?
Squeaky pop
What’s the gas test for oxygen?
Relight a spill
What’s the gas test for ammonia?
Turns damp red litmus paper blue
What’s the gas test for sulfate?
Turns damp blue litmus paper red
What’s the gas test for chlorine?
Bleaches damp litmus paper
In the flame test, what colour flame is lithium?
Bright red
In the flame test, what colour flame is sodium?
Yellow
In the flame test, what colour flame is potassium?
Lilac
In the flame test, what colour flame is calcium?
Brick red
In the flame test, what colour flame is barium?
Green
