Saturday, 25 February 2023

Test for Hydrogen


 When a small amount of magnesium ribbon is added to hydrochloric acid, it produces a significant amount of hydrogen gas in the test tube. When the test tube is turned horizontally and a flame is brought near its mouth, the resulting sound is the characteristic "squeaky pop" of hydrogen gas combustion.



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Flame Tests

 One of the students' favourite experiments are flame tests and then identifying an unknown material.