Question

A solution turns blue litmus paper red ; its ph is likely to be _

Answer 1

Litmus is a water soluble mixture and is absorbed in filter paper to make the litmus paper.

The litmus paper is being used to detect the acidity or the basicity of any solution.

Any difference will make the paper change its color.

Blue litmus paper turns red in acidic condition.

Thus, the PH level is below 4.5s