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प्रश्न
What happens when calcium reacts with water? Write the chemical equation of the reaction of calcium with eater.
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उत्तर
When calcium reacts with water, it forms calcium hydroxide and hydrogen gas. Due to the formation of hydrogen bubbles that stick to the surface of calcium, it starts floating on water.
Ca(s) + 2H2O(l) → Ca(OH)2(aq) + H2(g)
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