carbonates, halides & sulphates Flashcards
1
Q
what is the ionic formula for carbonate?
A
CO₃²⁻
2
Q
test for carbonate
A
add dilute acid to substance, bubble gas through limewater, if it turns cloudy, it is positive
3
Q
what gas do carbonates give off?
A
carbon dioxide
4
Q
test for halides and result
A
test: add halide ions dissolved in distilled water to dilute nitric acid and silver nitrate solution
result: precipitate forms
5
Q
chloride ions
A
white
6
Q
bromide ions
A
cream
7
Q
iodide ions
A
yellow
8
Q
white
A
chloride
9
Q
cream
A
bromide
10
Q
yellow
A
iodide
11
Q
test for sulfates and results
A
test: add sulfate ions dissolved in distilled water to dilute hydrochloric acid and barium chloride solution
result: white precipitate forms
12
Q
negative ions
A
anions
