Chemistry
Electrolysis
Demonstrating the electrolysis of sodium chloride.
Mission
Demonstrating the electrolysis of sodium chloride
Curriculum Alignment
| Standard | Syllabus code | Topic | Coverage | Grades | |
|---|---|---|---|---|---|
| NGSS | No dedicated NGSS PE for electrolysis/redox — closest adjacent is HS-PS1-2 (reaction-type prediction) | Weak | 9–12 | ||
| British / IGCSE | CAIE 0620 Topic 4 (Electrochemistry — electrolysis of aqueous NaCl/brine) | Electrolysis of concentrated sodium chloride solution | Full | 9–12 | |
| IB | DP Chemistry Reactivity 3.2 | Electron-transfer reactions — electrolytic cells | Full | 11–12 | |
| CBSE | CBSE Class 10 Ch.2 – Acids, Bases and Salts (chlor-alkali process) | Electrolysis of brine / chlor-alkali process | Full | 10–10 | |
| AERO / AP | AP Unit 9 (Applications of Thermodynamics — electrolysis and Faraday's law) | Electrolytic cells, electrolysis, Faraday's law | Full | 11–12 |
Variables
What you change
- Time of electrolysis
What you measure
- TDS value
What you keep constant
- Water temperature
- Voltage of power source
- Water purity
What You'll Need
- Arduino Uno
- TDS Sensor
- I2C LCD
Estimated Time
Virtual mode 15 minTest mode 22 minExercise mode 20 min
Mind-Blowing Fact
Underwater but not.
Submarines use a generator to extract oxygen from water using electrolysis.
How You Can Run It
Virtual modeTest modeExercise modeView-only modeAccessibility modeTobii eye trackingVoice commandsArduino integrationAmericanBritishIB