a metal which floats on the surface of cold water to form hydrogen gas sodium or magnesium?
a metal which floats on the surface of cold water to form hydrogen gas sodium or magnesium?
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Answer:
Sodium is only which floats on the surface of cold water and magnesium will not float
Answer:
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Explanation:
Very clean magnesium ribbon has a very slight reaction with cold water. After several minutes, some bubbles of hydrogen form on its surface, and the coil of magnesium ribbon usually floats to the surface.