Salt identification Flashcards
How do you test for Lithium
Crimson flame in a flame test
How do you test for Sodium
Yellow flame in a flame test
How do you test for Potassium
Lilac flame in a flame test
How do you test for Calcium
Orange/Red flame in a flame test
How do you test for Copper (flame test)
Green flame in a flame test
How do you test for Ammonia
Add NaOH
Gas made turns damp red litmus paper blue
How do you test for Copper (Precipitate)
Add NaOH
Blue precipitate
How do you test for Fe2+
Add NaOH
Green Precipitate
How do you test for Fe3+
Add NaOH
Brown precipitate
How do you test for Sulphate
Add Hydrochloric Acid
Add Barium Chloride
White Precipitate
How do you test for Chloride
Add Nitric Acid
Add Silver Nitrate
White Precipitate
How do you test for Bromide
Add Nitric Acid
Add Silver Nitrate
Cream Precipitate
How do you test for Iodide
Add Nitric Acid
Add Silver Nitrate
Yellow Precipitate
How do you test if water is pure?
Heat to 100 degrees Celsius, should boil exactly then
OR
Cool down to 0 degrees Celsius, should freeze exactly then
Why do you add Nitric Acid / Hydrochloric Acid when testing for some anions?
To remove any CARBONATES
