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Ammonia is a colourless gas with a characteristic pungent smell. It is lighter than air, its density being 0.589 times that of air. It is easily liquefied due to the strong hydrogen bonding between molecules; the liquid boils at â33.3 Â°C (â27.94 Â°F), and freezes at â77.7 Â°C (â107.86 Â°F) to white crystals.
NH3 is a colorless gas with a pungent smell at room temperature. Its melting point is -77.73 ÌC (-107.914 ÌF), boiling point -33.34 ÌC (-28.012 ÌF). Ammonia is an important material to produce nitrogen fertilizer. Ammonia in high concentration is hazardous. Example Reactions: