Question

What are litmus papers and how is it used?​

Answer 1

Answer:

Litmus paper is a tool used to test whether a substance is an acid or base. When a substance is dissolved in water, the resulting solution causes the litmus paper to change color. The acidity or alkalinity of a solution is determined by the concentration of hydrogen ions, or power of hydrogen, expressed as a pH value.

Answer 2

Answer:

Litmus paper is a piece of paper that produces a result which can be used as a pH indicator. Litmus is mainly used to assess whether a solution is acidic or basic.