Chemical Tests Flashcards
Lithium burns with a…
crimson/red flame
Sodium burns with a…
yellow-orange flame
Potassium burns with a…
lilac flame
Calcium burns with a…
brick red flame
test for Copper(ll) ions?
when added to NaOH a Blue precipitate is formed
test for Iron(ll) ions?
when added to NaOH, a precipitate of (sludgy) green is formed
test for Iron(lll) ions?
when added to NaOH, a reddish brown precipitate is formed
test for ammonium compound?
Ammonium compound added to NaOH gives off ammonia gas
Test for carbonates
When HCl is added to a carbonates carbon dioxide gas is given off
Test for sulfate ions
a white precipitate of barium sulfate is produced when first HCl, followed by barium chloride is added to sulfate ions
Test for Chloride ions Cl-
when dilute nitric acid and silver nitrate are added to chloride ions, a white precipitate of silver chloride is fomed
Test for Bromide ions Br-
when dilute nitric acid and silver nitrate are added to bromide ions, a cream precipitate of silver bromide is fomed
Test for iodide ions I-
when dilute nitric acid and silver nitrate are added to iodide ions, a yellow precipitate of silver iodide is formed
Test for chlorine gas
bleaches damp litmus paper
Test for oxygen gas
oxygen relights a glowing splint