Chemistry GCSE Substance Tests

Oxygen

Relights Glowing Splint

Hydrogen

Lit Splint Burns with Pop

Carbon Dioxide

Limewater Turns Milky

Chlorine

Bleaches Damp Litmus Paper

Ammonia

Turns Damp Red Litmus Paper Blue

Alkenes

Bromine Water, Orange -> Colourless

Water

1. Anhydrous Copper Sulfate, White -> Blue
2. Cobalt Chloride Paper, Blue -> Pink

Lithium

Bright Red

Sodium

Golden Yellow

Pottasium

Lilac

Calcium

Brick Red

Barium

Green

Aluminium

Sodium Hydroxide, White Precipitate that Redissolves in Excess

Calcium

Sodium Hydroxide, White Precipitate

Magnesium

Sodium Hydroxide, White Precipitate

Copper

Sodium Hydroxide, Blue Precipitate

Iron (II)

Sodium Hydroxide, Green Precipitate

Iron (III)

Sodium Hydroxide, Brown Precipitate

Ammonium

Sodium Hydroxide, Warm, Ammonia Test

Chloride

Nitric Acid + Silver Nitrate, White Precipitate

Bromide

Nitric Acid + Silver Nitrate, Cream Precipitate

Iodide

Nitric Acid + Silver Nitrate, Yellow Precipitate

Carbonate

Add Acid, Test For Carbon Dioxide

Sulphate

Hydrochloric Acid + Barium Chloride, White Precipitate

Nitrate

Sodium Hydroxide, Warm, Add Alumium Powder, Ammonia Test