Question
A solution turns blue litmus red. Its pH is likely to be:
  1. 7
  2. 5
  3. 8
  4. 14

Answer

  1. 5

Explanation:

An acidic solution turns blue litmus red. On the pH scale, acids have values less than 7, whereas bases have values greater than 7. Solutions with pH equal to 7 are neutral in nature. Therefore, the pH of the given solution is likely to be 5.

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