Tests Flashcards
1
Q
Carbonate test
A
- HNO3
- bubbles = CO2
- test by bubbling through limewater
- white precipitate formed
2
Q
Sulphate test
A
Add Ba(NO3)2 White ppt
3
Q
Halide test
A
Add AgNO3 to aq solution of halide AgCl = white AgBr = cream AgI = yellow Add dilute + c.NH3
4
Q
Test for NH4+
A
NaOH(aq)added
Gas produced (can’t see ∵ soluble in H2O)
Warm up
Damp red litmus