Saturated potassium iodide is added to a mixture of soap, glycerin, water, and hydrogen peroxide. Oxygen and water vapor are trapped in soap bubbles resulting in a long, soapy snake. 1. Prepare soap ...

The reaction of hydrogen peroxide with potassium iodide is demonstrated in a tall cylinder ... Use the same amount of soap and KI solutions, but only 75 mL of H2O2solution. 4. If presenting solutions ...