Definition of hydrogen chloride
: a colorless pungent poisonous gas HCl that fumes in moist air and yields hydrochloric acid when dissolved in water
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“Hydrogen chloride.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrogen%20chloride. Accessed 21 Sep. 2021.
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Time Traveler for hydrogen chloride
The first known use of hydrogen chloride was in 1869
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