calcium reacts with which type of water
Hot, cold or steam
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ca reacts with cold water....but the reaction is less violent and the heat produced is insufficient to catch fire..so it appears to be floating as it sticks on the bubble of H2 has...
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calcium reacts with cold water
it forms calcium hydroxide and hydrogen gas is evolved
ca + 2h²o---->CA(oh)²+h²
the reaction is not so violent for Hydrogen to catch fire and hence hydrogen bubbles stick to the surface of calcium making it float
* it is to be kept in mind that magnesium reacts with hot water but calcium reacts with cold water
it forms calcium hydroxide and hydrogen gas is evolved
ca + 2h²o---->CA(oh)²+h²
the reaction is not so violent for Hydrogen to catch fire and hence hydrogen bubbles stick to the surface of calcium making it float
* it is to be kept in mind that magnesium reacts with hot water but calcium reacts with cold water
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