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Question
Write the balanced equation and give your observation when the following metal reacts:
Sodium with cold water
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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