Explain why calcium metal after reacting with h2o starts floating on its surface?write the chemical equatiom for the reaction
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Ca+h2o=cao+h2
When ca react with h2o forms calcium oxide and start floting
When ca react with h2o forms calcium oxide and start floting
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Calcium starts floating on water because it becomes lighter due to bubbles of hydrogen gas formed stick to the surface of calcium metal. The reaction is:-
Ca(s) + h2o(l) = Ca(OH)2(aq) + H2(g)
Ca(s) + h2o(l) = Ca(OH)2(aq) + H2(g)
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