Multiple choice general knowledge science & technology

A pH of 7 signifies a solution which is:

  1. basic

  2. salt

  3. acidic

  4. neutral
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A pH of 7 indicates neutrality on the pH scale, which ranges from 0 to 14. Solutions with pH less than 7 are acidic, while solutions with pH greater than 7 are basic or alkaline. Pure water at 25°C has a pH of 7, representing perfect balance between hydrogen ions (H+) and hydroxide ions (OH-).

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