Question

Which one of the following can be used to check the pH of a salt solution?

• A. Litmus paper
• B. Turmeric paper
• C. Filter paper
• D. Butter paper

Answer 1

The correct option is A Litmus paper

Litmus paper is used to check the pH of a salt solution.
If the solution is acidic, the color of the litmus paper changes from blue to red.
If solution is basic/alkaline, the color of the litmus paper changes from red to blue.