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Question

Write with balanced chemical equation, what happens when dry ammonia gas is passed over heated sodium.

WBBSE Class X Physical Science Inorganic Chemistry 02 Mark 2025

Answer

When dry ammonia gas is passed over heated sodium, sodamide (sodium amide) and hydrogen gas are formed.

Balanced Chemical Equation:

2Na + 2NH₃ → 2NaNH₂ + H₂↑

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