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      Question

      Identify the strong acid from the list

      below:
      A Acetic acid Correct Answer Incorrect Answer
      B Hydrochloric acid Correct Answer Incorrect Answer
      C Citric acid Correct Answer Incorrect Answer
      D Carbonic acid Correct Answer Incorrect Answer

      Solution

      Hydrochloric acid (HCl) is recognized as a strong acid because it completely dissociates into hydrogen ions (Hโบ) and chloride ions (Clโป) in water, which significantly contributes to its high acidity with a typical pH of about 1 in concentrated solutions. In contrast, acetic acid is only partially dissociative, exhibiting weaker acidic properties. Citric acid, common in citrus fruits, and carbonic acid, formed by COโ‚‚ dissolution in water, are also weak acids, only partially releasing Hโบ ions in solutions.

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