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This test is run by .
Note that your final mark will not be saved in the system.

Identification of common gases and ions MatchUp

Target Level

4-5

Running Total

Attempt

1 of 3

Click on a top box, then click on its match below. Or, drag a top box and drop it onto the correct match. Match all pairs before clicking ‘Check’.

Carbonate ions

Lithium

Chlorine

Calcium

Hydrogen

Sodium

Carbon dioxide

Copper

Iron (III)

Potassium

Oxygen

Makes a squeaky pop sound with a burning splint

Relights a glowing splint

Turns limewater cloudy

Bleaches damp litmus paper

Burns with a crimson flame

Burns with a yellow flame

Burns with a lilac flame

Burns with an orange-red flame

Burns with a green flame

Forms a brown precipitate with sodium hydroxide

React with dilute acids to form carbon dioxide

This is your 1^st attempt! You get 3 marks for each one you get right. Good luck!

Pass Mark

75%