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प्रश्न
Write the chemical equation for the following reaction:
Calcium metal reacts with water.
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उत्तर
\[\ce{\underset{\text{Calcium}}{Ca}+\underset{\text{Water}}{2H2O}->\underset{\text{Calcium hydroxide}}{Ca(OH)2}+\underset{\text{Hydrogen gas}}{H2}}\]
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