Voici une ventilation:

* pH Échelle: L'échelle de pH mesure l'acidité ou l'alcalinité d'une solution.

* neutre: A neutral solution has a pH of 7.

* PHOR PHOR: This paper is treated with indicators that change color depending on the pH of the solution.

* vert: Green is the color associated with a pH of 7, indicating a neutral solution.

Remember, the exact shade of green can vary slightly depending on the specific type of pH paper used.