How Breathalyzers Work: Science Behind Alcohol Detection

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🧠 on Instagram: "The iodine clock reaction, discovered by Hans Heinrich Landolt in 1886, is a classic experiment that vividly demonstrates chemical kinetics. It involves a sudden color change from colorless to blue, illustrating the concept of reaction rates. This reaction occurs when two clear solutions are mixed, with one stage of the reaction taking longer, leading to a delayed color change. Widely used in classrooms, the iodine clock reaction offers a hands-on way to explore the factors inf

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CNN staffers in three cities around the world wore chemical-tracking wristbands and found exposure to dozens of potentially harmful compounds — including phthalates and bisphenols — showing just how pervasive plastics are in everyday life. #CNN #News