Clear, colorless potassium iodide solution is mixed with clear, colorless lead nitrate solution and a bright yellow solid is produced. Excellent example of color indicating a chemical change as well as a change of state. Can also be used to teach conservation of mass.
Demo Pack includes 1 oz. Lead Nitrate, 1 oz. Potassium Iodide, 2 test tubes
Study Group Pack includes 4 1-oz. Lead Nitrate, 4 1-oz. Potassium Iodide, 8 test tubes
Classroom Pack includes 10 1-oz. Lead Nitrate, 10 1-oz. Potassium Iodide, 20 test tubes