Chemical Tests Flashcards
What is the test for a carbonate ion?
hydrochloric acid
fizzing
What is the test for iron (III) ion?
Add sodium hydroxide
brown precipitate formed
What is the test for carbon dioxide?
Bubble through limewater
Limewater goes cloudy
What is the test for copper (II) ion?
Add sodium hydoroxide
blue precipitate formed
What is the test for Chloride ion?
Add nitric acid - no fizzing
Add silver nitrate - white precipitate formed
What is the test for lithiuim ion?
flame test
(crimson) red flame
What is the test for Iodide ion?
Add nitric acid - no fizzing
Add silver nitrate - yellow precipitate formed
What is the test for potassium ion?
flame test
Lilac flame
What is the test for sodium ion?
flame test
yellow flame
What is the test for hydrogen?
flaming splint goes squeaky pop
What is the test to show that water is pure?
It boils at exactly 100ºC
What is the test for Bromide ion?
Add nitric acid - no fizzing
Add silver nitrate - cream precipitate formed
What is the test for ammonia gas?
Damp red litmus paper turns blue
What is the test for iron (II) ion?
Add sodium hydroxide
dirty green precipitate formed
What is the test for chlorine gas?
Blue or Red litmus paper is bleached white
What is the test for calcium ion?
flame test
red-orange flame
What are the two tests for water?
anhydrous copper sulfate turns from white to blue
OR
Cobalt chloride paper turns from blue to pink
What is the test for a sulfate ion?
Add hydrochloric acid - no fizzing
Add barium chloride
White precipitate formed
(barium sulfate)
What is the test for ammonium ion?
Add sodium hydroxide - no white precipitate
Hang damp red litmus over side of test tube - turns blue
What is the test for oxygen?
glowing splint relights
