40. Реакција на калиум со сулфурна киселина

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40. Реакција на калиум со сулфурна киселина
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2020-02-22 - commons.wikimedia.org

Summary

A very small piece of potassium metal is added to a test tube filled with concentrated sulfuric acid. The test tube is placed in a jar with water for safety reasons. When the metal comes in contact with the acid, a very vigorous reaction occurs. The metal melts and the hydrogen gas is spontaneously

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Details

  • Source collection: Wikimedia Commons
  • License: CC / Public Domain
  • Category: Uncategorized

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  1. Primary source record: https://commons.wikimedia.org/wiki/File:40._%D0%A0%D0%B5%D0%B0%D0%BA%D1%86%D0%B8%D1%98%D0%B0_%D0%BD%D0%B0_%D0%BA%D0%B0%D0%BB%D0%B8%D1%83%D0%BC_%D1%81%D0%BE_%D1%81%D1%83%D0%BB%D1%84%D1%83%D1%80%D0%BD%D0%B0_%D0%BA%D0%B8%D1%81%D0%B5%D0%BB%D0%B8%D0%BD%D0%B0.ogv
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