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प्रश्न
A gas 'P' gives dense white fumes with chlorine. Its aqueous solution gives a blue colour with copper (II) hydroxide. Give the name and formula of the gas P.
उत्तर
A gas P gives white dense fumes with Chlorine. So its ammonia. Ammonia with copper (II) hydroxide forms a deep blue solution.
The formula is \[\ce{NH3}\].
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