Explain why calcium after reacting with water starts floating on its surface. Give the balanced chemical equations also.
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Calcium starts floating because the bubbles of hydrogen gas formed and stick to the surface of the metal.
Ca + 2H2O → Ca(OH)2 + H2
Answered by
1
Answer:
Calcium reacts with water to form Calcium Hydroxide.
As soon as Calcium completely reacts with water , Calcium hydroxide will be formed and the water will turn milky and chalky indicating the formation of calcium hydroxide solution.
The chemical reaction is as follows :
Ca + 2 H2O -----------> Ca ( OH )2 + H2
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