A.
Basic solutions accept hydrogen ions, have a pH greater than 7, and conduct electricity.
B.
Basic solutions release hydrogen ions, have a pH lower than 7, and conduct electricity.
C.
Basic solutions both release and accept hydrogen ions, have a pH of 7, and can weakly conduct electricity.
D.
Basic solutions release hydrogen ions, have a pH greater than 7, and can weakly conduct electricity.
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The correct choice to identify test tubes filled with basic solutions is:
A. Basic solutions accept hydrogen ions, have a pH greater than 7, and conduct electricity.
This statement accurately reflects the properties of basic solutions: they accept protons (H⁺ ions), they have a pH greater than 7, and they typically conduct electricity due to the presence of ions in solution.
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