Give scientific reason : calcium floats on water during the reaction with water.
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Calcium float on reaction with water because the bubbles of hydrogen gas formed stick on the surface of metal. Hence, the reation of calcium is violent with water.
Ca+ 2H2O-----> Ca(OH)2+ H2
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Aavi1230:
well....if the bubbles of hydrogen sticks on the metal ...
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Hey!!
When Calcium reacts with water ,hydrogen gas is evolved. The bubbles of hydrogen stick to the surface of calcium and hence the metal(calcium ) starts floating on water.
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