When sodium hydride is dissolved in water, sodium hydroxide and hydrogen gas are formed. Give the balanced chemical reaction for the reaction.

• A. 2 NaH(s) + H₂O(l) → 2 NaOH(aq) + H₂(g)
• B. NaH(s) + H₂O(l) → NaOH(aq) + H₂(g)
• C. NaH(s) + H₂O(l) → NaOH(aq) + 2 H(g)
• D. 2 NaH(s) + H₂O(l) → NaOH(aq) + H₂(g)

Answer: (B)