why does calcium starts floating when it reacts with water?
and write the balanced chemical equation of the reaction
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Calcium starts floating when it reacts with water as in the reaction hydrogen gas is released in gaseous form (as bubbles) and stick to the surface of calcium. which makes it float in water.
Ca + 2(H2O) -----> Ca(OH)2 + H2
Ca + 2(H2O) -----> Ca(OH)2 + H2
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