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  1. Ammonia - Wikipedia

  2. Ammonia | NH3 | CID 222 - PubChem

  3. Ammonia | Definition & Uses | Britannica

  4. Ammonia - NIST Chemistry WebBook

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

  6. Ammonia - NIST Chemistry WebBook

  7. Ammonia - Simple English Wikipedia, the free encyclopedia

  8. Ammonia | H3N - ChemSpider

  9. Ammonia | Definition, Formula, Structure - Lesson | Study.com

  10. Ammonia - Wikiwand