Скачать или смотреть Penny Cleaning Experiment

Has your lucky penny lost its shine? Give it a bath with this super slick STEAM experiment. When you dip a penny halfway into your vinegar and salt solution, you’ll see the before and after most clearly. So what’s going on here? The combination of vinegar and sodium creates a chemical grease-fighting compound! The salt works as an abrasive, and breaks into the microscopic crevices on the surface of the Penny. The vinegar rinses those crevices out. Here’s what you’ll need: Pennies 1/4 cup White Vinegar 1 tsp table salt 1 cup Instructions: Mix the white vinegar and salt inside your cup Dip your penny in, or drop it in for a full soak. Let chemistry do the cleaning!
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