tests Flashcards
flame test?
nichrome wire dipped in HCl then the solid crushed into a powder.
flame test colours?
lithium= red sodium= yellow potassium= lilac calcium= brick red barium= apple green copper= green
iron (II) and hydroxide ions test for metal ions
green gelatinous precipitate
iron (III) and hydroxide ions?
orange gelatinous precipitate
copper (II) and hydroxide ions?
pale blue gelatinous precipitate
lead (II) and iodide ions?
bright yellow precipitate
ammonium ions and hydroxide ions?
ammonia gas given off and smells. makes damp red litmus paper go blue
silver nitrate and chlorine?
white precipitate
silver nitrate and bromine?
cream precipitate
silver nitrate and iodine?
pale yellow precipitate
silver and hydroxide ions?
brown gelatinous precipitate
calcium and hydroxide ions?
white gelatinous precipitate
zinc (II) and hydroxide ions?
white then slowly colourless
aluminium (III) and hydroxide ions?
white then colourless
HCl and carbonates?
will fizz to give off carbon dioxide.