Gudrs, vēl gudrāks

On 22th April in the LTV1 programme «Gudrs, vēl gudrāks» where was final for 12th class one of the questions were experiment made by Talis Juhna and Sandis Dejus. They for the experiment used two beakers, which poured in deionized water and placed electrodes, which are connected to a power source. The finalists had to answer the question «What kind of chemical process takes place in the measuring cup, and why each water turns a different color» after each tipped onto 2gr table salt.

Video (from 51:40)