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4 answers

Simple hydrolysis:

Use a beaker of water with a little vinegar or other weak acid added.

Fill 2 test tubes with water and invert them into the water in the beaker.

Run a wire into one test tube and another wire into the second test tube.

Hook each wire to the posts of a 6-volt lantern battery.

Once the wires are connected you should see small bubbles forming around the wires in each test tube. The Oxygen tube will have the smaller amount of gas collected. The Hydrogen tube will have the larger amount of gas collected.

2007-03-10 12:27:33 · answer #1 · answered by physandchemteach 7 · 0 0

Add a bit of salt to the water, and send a electric current through it.

The electric current splits some of the water molecules into HO- and H+ ions. At the positive wire, the H+ ions form hydrogen gas. At the negative wire, the HO- ions from oxygen gas and water.

2007-03-10 12:30:25 · answer #2 · answered by morningfoxnorth 6 · 0 0

For a picture, see:

http://netsciencenews.no-ip.org/www-bestdiysite.com/diy-science-projects/splitting-h2o-water-to-make-oxygen-and-hydrogen/image_mini


Hydrogen gas evolves at one pencil tip in the water, oxygen gas at the other pencil tip.

2007-03-10 12:39:43 · answer #3 · answered by Anonymous · 0 0

Simply heat water to 6000'C, it will become H and O.

2007-03-10 12:39:32 · answer #4 · answered by Anonymous · 1 0

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