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Why does calcium starts floating when …

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Why does calcium starts floating when added to water but sodium and potassium do not ?

Posted by Jasmine Kaur 6 years, 8 months ago

CBSE > Class 10 > Science

2 answers

Rohit Kumar 6 years, 8 months ago

Na and k float in water but ca not float in water when ca and water meet hydrogen gas evolve and rise up it stick calcium

2Thank You

Shreya Rajak 6 years, 8 months ago

Calcium floats in water because it does not react so vigorously with water as sodium or potassium does. Hence when bubbles of hydrogen gas is liberated, it sticks to the base of calcium. hydrogen being lighter than water makes calcium float.

2Thank You

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CBSE > Class 10 > Science