Chemistry, asked by Anonymous, 1 month ago

Give reason:

When calcium reacts with water,it floats on water.

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Answers

Answered by Anonymous
3

Answer:

Calcium floats on water because the bubbles of hydrogen gas formed by the reaction of calcium with water stick to the surface of metal.

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Answered by Anonymous
2

Answer:

This is an exothermic reaction, i.e. heat is released. As the reaction proceeds, bubbles of H2 (g) and a white precipitate of Ca(OH)2are formed. The bubbles formed stick to the surface of calcium metal and make it lighter. Therefore, Calcium floats on water.

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