Question

A solution turns red litmus blue, its pH is likely to be ______.

Options

• 1

• 4

• 5

• 10

Answer 1

A solution turns red litmus blue, its pH is likely to be 10.

Explanation:

A basic solution turns red litmus blue. On the pH scale, bases have values greater than 7, whereas acids have values less than 7. Therefore, the pH of the given solution is likely to be 10.