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why does a piece of calcium float when put in water ? Does magnesium react with cold water, why or why not ? |
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Answer» s a piece of calcium float when put in WATER ?The reaction of calcium with water is not very violent. SO, the heat RELEASED is not sufficient for the hydrogen to catch fire. Calcium starts floating because the bubbles of hydrogen gas which are formed during the reaction STICK to the surface of the metal and hence caclium floats on water.Does magnesium react with cold water, why or why not ?Very clean magnesium ribbon has a very slight reaction with cold water.Hope this helped youPlease mark the brainliest |
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