If a solution turns blue litmus red, its pH is likely to be : (1) 7 (2) 8 (3) 9 (4) 6

If a solution turns blue litmus red, its pH is likely to be : (1) 7 (2) 8 (3) 9 (4) 6
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(4) 6 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 6.
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