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Question
What is the action of water on sodium? Write the equation of the chemical reaction involved.
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Solution
Sodium reacts vigorously with cold water, forming sodium hydroxide and hydrogen gas.
\[\ce{\underset{Sodium}{2Na_{(s)}} + \underset{(Cold)}{\underset{Water}{2H2O_{(l)}}} -> \underset{Sodium hydroxide}{2NaOH_{(aq)}} + \underset{Hydrogen}{H2_{(g)}} + Heat}\]
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