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2. Hydrochloric acid - Wikipedia

   en.wikipedia.org/wiki/Hydrochloric_acid

   Hydrochloric acid, also known as muriatic acid or spirits of salt, is an aqueous solution of hydrogen chloride (HCl). It is a colorless solution with a distinctive pungent smell. It is classified as a strong acid. It is a component of the gastric acid in the digestive systems of most animal species, including humans.

3. HCL - Wikipedia

   en.wikipedia.org/wiki/HCL

   Hydrochloric acid, a solution of hydrogen chloride in water; Hydrochloride, the salt of hydrochloric acid and an organic base; Hydrogen chloride, chemical formula HCl; Hypomania Checklist, a questionnaire used to screen for hypomania and bipolar spectrum disorders; HCL color space, a color space model designed to accord with human perception of ...

4. Chlorine production - Wikipedia

   en.wikipedia.org/wiki/Chlorine_production

   Potassium permanganate can be used to generate chlorine gas when concentrated hydrochloric acid is added to it: 2KMn04 + 16HCl —> 2KCl + 2MnCl2 + 8H2O + 5Cl2 This process has been investigated by Venable & Jackson and fails if the concentation of the hydrochloric acid solution drops below 2mM Venable, F. P.; Jackson, D.H. (1920). "The ...

5. Hydrogen chloride - Wikipedia

   en.wikipedia.org/wiki/Hydrogen_chloride

   Small amounts of hydrogen chloride for laboratory use can be generated in an HCl generator by dehydrating hydrochloric acid with either sulfuric acid or anhydrous calcium chloride. Alternatively, HCl can be generated by the reaction of sulfuric acid with sodium chloride: [17] NaCl + H 2 SO 4 → NaHSO 4 + HCl↑. This reaction occurs at room ...

6. Cleaning agent - Wikipedia

   en.wikipedia.org/wiki/Cleaning_agent

   Hydrochloric acid is a common mineral acid typically used for concrete. Vinegar can also be used to clean hard surfaces and remove calcium deposits. Sulphuric acid is used in acidic drain cleaners to unblock clogged pipes by dissolving organic materials, like greases, proteins, and even carbohydrate -containing substances such as toilet tissue.

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