when calciun added to water after certain period metal swing out. give reason
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when calcium metal added to water huge amount of hydrogen gas is released which exerts pressure on the calcium due to this after a certain period metal swing out.
during this chemical reaction calcium hydroxide is also formed.
this is known as slaking of lime.
Ca. + 2 H2O -------> Ca(OH)2 + H2
calcium water. calcium hydroxide Hydrogengas
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