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Course: Exploratorium > Unit 3
Lesson 4: Indicating ElectrolysisWhat's going on: Use electricity to break up water
Learn about electrolysis and how it makes water more acidic or basic.
Want to join the conversation?
- If you use the electrolysis device on the water, and then let it sit there for a while, will all of the water bubble away?(1 vote)
- Theoretically, it would, but with a such low-current device using a 9-volt battery, it would take a REALLY long time. The battery might perhaps even be dead long before that happens because electrolysis is not very efficient.(2 votes)
- On the front picture, how did they make the blue and yellow mixture?(1 vote)
- I believe they used a different pH indicator (not the cabbage juice).(1 vote)
- do you need the Epsom salt? will table salt work fine?(1 vote)
- what is the speed of electric current(1 vote)