Litmus Paper -

), the paper must be with distilled water first so the gas can dissolve and produce ions.

It cannot differentiate between weak and strong acids (e.g., pH 1 vs. pH 3). It is also susceptible to interference from other substances in a solution that might affect the dye's appearance. litmus paper

There are three main variations used in laboratories and educational settings: ), the paper must be with distilled water

Litmus paper is a fundamental chemical indicator used to determine whether a solution is acidic or basic (alkaline). It is made from absorbent paper impregnated with a mixture of organic dyes obtained from lichens. Overview and Purpose It is also susceptible to interference from other

The primary purpose of litmus paper is to provide a quick, qualitative assessment of a substance's nature. Unlike pH strips or digital meters, it does not provide an exact numerical pH value; instead, it indicates a range where a color change occurs, typically between pH 4.5 and 8.3. Turn blue litmus paper red . Bases: Turn red litmus paper blue .

Litmus paper only reacts in the presence of water. To test dry gases (like HClcap H cap C l NH3cap N cap H sub 3

Litmus paper is generally intended for single use and should be disposed of according to lab protocol after one test. Applications and Limitations