Question

A solution turns red litmus blue, its pH is likely to be
(a) 1
(b) 4
(c) 5
(d) 10​

Answer 1

Answer:

10

Explanation:

Base turns red litmus blue and acid turns blue litmus red. Therefore the pH of solution is in base range which is from 7 to 14. Only option D has pH in this range thus the solution having pH 10 turns red litmus blue.

Answer 2

Explanation:

Base turns red litmus blue and acid turns blue litmus red. Therefore the pH of solution is in base range which is from 7 to 14. Only option D has pH in this range thus the solution having pH 10 turns red litmus blue.

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