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  1. Ammonia - Wikipedia

  2. Ammonia | NH3 | CID 222 - PubChem

  3. Ammonia | Definition & Uses | Britannica

  4. Ammonia Levels: Causes, Symptoms & Treatment - Cleveland Clinic

  5. Ammonia - Simple English Wikipedia, the free encyclopedia

  6. Ammonia - Chemical Safety Facts

  7. Ammonia: Exposure, Decontamination, Treatment | Chemical …

  8. Properties and uses of ammonia | Britannica

  9. Ammonia (NH3) - Ammonia Structure, Preparation, Properties

  10. Ammonia - NIST Chemistry WebBook