Science, asked by koyelmandal2005, 2 months ago

calcium and potassium with water​

Answers

Answered by mayankstudent2008
2

Answer:

Calcium starts floating because the bubbles of hydrogen gas formed stick to the surface of the metal. Potassium react violently with cold water and its reaction is so violent and exothermic that the evolved hydrogen immediately catches fire.

Explanation:

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