PRACTICE · REVISE · COMPETE
Choose a mode
Four ways to play · Identify. Predict. Explain. Apply.
▤ AQA SPEC ALIGNED◎ CURRICULUM FOCUSED▥ TRACK YOUR PROGRESS♟ COMPETE WITH FRIENDS
YOUR CHALLENGE
Game setup
Choose your course to begin.
Your challenge code
Share this code with your opponent. Duel questions are shared Foundation-accessible content, regardless of tier.
Preparing the duelling chamber…
CHALLENGE XP0
CORRECT STREAK0
CHALLENGE1 / 6
Daisy Chain Learning
Electrolysis: The Brine Trial
Aqueous sodium chloride (concentrated brine), inert electrodes and a direct-current power supply. Tap an electrode when prompted.
The diagram is deliberately schematic. The electrode connections and chemistry are fixed; no product labels are given away.
Chain 1 · Identify