Question
Which of the following is a characteristic of
acids?Solution
Acids turn blue litmus paper red due to their release of hydrogen ions (H+) in aqueous solutions. This is a defining characteristic used to identify acidic substances. The other options are incorrect because: acids release hydrogen ions, not hydroxide ions (which characterize bases); acids have pH values below 7 on the pH scale; and acids in aqueous solutions are good conductors of electricity due to the presence of ions that allow current flow.
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