Chemistry, asked by shiva7424, 10 months ago

calcium float on the surface when reacts with water​

Answers

Answered by kaustubhsahu01
2

Answer:

Because H2 (hydrogen gas) attatches to CaO.

Explanation:

Ca + H20 ----> CaO + H2

H2 being lighter than atmospheric pressure it rises above i.e. against gravity which makes Calcium Oxide to float as well.

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