A pH of 7 indicates that a solution is neutral, meaning it is neither acidic nor basic. Pure water has a pH of 7, demonstrating a balance of hydrogen and hydroxide ions. The pH scale ranges from 0 to 14, with lower values indicating acidity and higher values indicating basicity. ;
A pH of 7 indicates that a solution is neutral, meaning it is neither acidic nor basic. This is demonstrated by pure water, which shows a balance of hydrogen and hydroxide ions. Therefore, the correct option is D. The solution is neutral.
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