why calcium is floating after immersing in water?
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The reaction of calcium with water is less 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 calcium floats on water.
Tuitior- Natasha☘️
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Answer:
calcium is less reactive than both sodium and potassium while reacting with water it reacts violently than both of these .
as a result the bubbles of hydrogen stick to its surface which lower its density and increase its volume .
density get lower than water and it starts floating
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