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What happens when voltage is increased during electrolysis?Featured science projectScience project video

Observation

The results show that increasing the number of batteries ( DC voltage) will result a faster rate of release of gasses.

Voltage applied (V dc)

1.5

3.0

4.5

6.0

Time measured (minutes)

14.2

11.6

7.5

4.8

The chart below represents the results of our science experiment

electrolysis science fair project

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Complexity level:
9
Project cost ($):
20
Time required:
It will take an hour to set up the science experiment, and an hour to conduct it
Material availability:
Easily found at a hobby store.
Safety concerns:

Use only batteries. Do not connect to mains supply.  Conduct the experiment under supervision of a qualified person. Highly flammable gasses will be released. Ensure that protective gear is worn at all times.