A solution turns blue litmus red. Its pH is likely to be:
(a) 7
(b) 5
(c) 8
(d) 14

Academic Chemistry NCERT Class 10

Correct Answer: (b) 5

Explanation: Acidic substance having a pH less than 7 turns blue litmus red, therefore, pH = 5 is correct answer.

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Updated on: 10-Oct-2022

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