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 $9.95
Classroom Pack includes 10 1-oz. Lead Nitrate, 10 1-oz. Potassium Iodide, 20 test tubes $42.95
Classroom Refill includes 32 oz. Lead Nitrate, 32 oz. Potassium Iodide $31.95