Testing Fot Negative Ions Flashcards
1
Q
Test for sulfates
A
Add dilute HCL then BaCl2/barium chloride solution. White precipitate should mean it was a sulfate
2
Q
Test for chlorides
A
Add dilute nitric acid and silver nitrate solution. A chloride gives a white precipitate
3
Q
Testing for carbonates
A
Bubble through limewater. If carbon dioxide then it turns milky. Carbonate react with dilute acids to form CO2