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Unknown solution - Coggle Diagram
Unknown solution
Add KI
No yellow precipitate
Add OH ions
Blue precipitate
Copper
Green precipitate
Iron (II)
Brown precipitate
Add Phosphate ions
No precipitate
Iron (III)
Yellow precipitate
Silver
Add sulphate ions
White precipitate
Flame Test
Lime green
Barium
Orange
Calcium
Yellow precipitate
Lead
Add dilute HNO3
Bubbles of colourless gas produced
Carbonate
No bubbles produced
Add ammonium molybdate solution
yellow precipitate forms
Phosphate
Add AgNO3
white precipitate forms
Choride
pale yellow precipitate forms
Iodide
pale cream precipitate forms
Bromide
Add Ba(NO3)2
White precipitate forms
Sulphate
Add FeCl3
solution turns reddish brown
Acetate
Add NH4+ and heat gently
Amonia gas forms
Hydroxide