5. elephant toothpaste / Big bubbles
do. Remove wash wound Hydrogen peroxide (H2O2) concentration of 10-50% Pour into a test tube. Then add dishwashing liquid into no man (I use the library patron F) ratio of hydrogen peroxide. With dishwashing liquid, about 3: 1 (What colors will add food coloring to either), then fill the posts of potassium iodide (KI) to be gas bubbles arises out of a test tube. many (I seem to squeeze the toothpaste from the tube) will make big bubbles. Use a large tray of test tubes, too. Gas bubbles will fill the tray look far. Like a large bubble The experiment was finished, I asked the children. See if you do not fill dishwashing liquid. What (I finished it I try to see my children)
explains. Happening Last adding potassium iodide. Into the solution KI hydrogen peroxide, H2O2 will be a catalyst for the disintegration of oxygen. According to the below: The dishwashing liquid is added to help retain O2 gas formed into a bubble itself. (In dishwashing Is a substance that causes bubbles. If not, add dishwashing liquid O2 is going to be seen as an ejaculation I)
form.
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