Chemistry - tests

Lithium

red flame

sodium

yellow flame

potassium

lilac flame

calcium

orange-red flame

copper

blue-green flame

copper(II) insoluble

put into sodium hydroxide solution, forms blue precipitate

iron(II)

put into sodium hydroxide solution, forms green precipitate

iron(III)

put into sodium hydroxide solution, forms reddish brown precipitate

ammonia gas

damp red litmus paper turns blue

chlorine

damp blue litmus paper turns red then white

oxygen

relights a glowing splint

carbon dioxide

turns lime water cloudy

hydrogen

makes a squeaky pop

pure water

boil at 100 degrees

chloride

react with silver nitrate solution to give off white precipitate

bromide

react with silver nitrate solution to give off a cream precipitate

iodide

react with silver nitrate solution to give off a yellow precipitate