Tests Flashcards
1
Q
test for carbonate + ionic equation
A
dilute acid + bubbled thru limewater
CO32-(aq or s) + 2H+(aq) –> CO2(g) + H2O(l)
2
Q
sulfate ions
A
HCL + Barium Chloride/Nitrate
3
Q
ammonium ions
A
NaOH + gently heat + test fumes (nh3 gas) w damp red litmus paper (which will go red -blue)
4
Q
halides
A
hno3 (react w other ions) + aq silver nitrate
Cl: white ppt (dissolves in dilute nh3)
Br: cream ppt (dissolves in conc nh3)
I: yellow ppt
5
Q
order to test for
A
carbonate –> sulfate –> halides