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Question
Write the balanced equation and give your observation when the following metal reacts:
Sodium with cold water
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Solution
Sodium (Na) reacts vigorously with cold water to form sodium hydroxide (NaOH) and hydrogen gas H2 with the evolution of heat.
The balanced equation for the given reaction is,
\[\ce{2Na + 2H2O(cold) -> 2NaOH + H2}\]
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