Place a little Lead Nitrate and Potassium Iodide in two different cups. Add water and stir well. Now add one solution to the other. Surprisingly the colorless liquids will turn a bright yellow. Heat the solution in a test tube on a flame and the color slowly disappears. This work was supported by IUCAA and Tata Trust. This film was made by Ashok Rupner TATA Trust: Education is one of the key focus areas for Tata Trusts, aiming towards enabling access of quality education to the underprivileged population in
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