Put a drop of universal indicator solution and observe the color change. Look online for the table.
You use a litmus indicator.
You can make a PH indicator solution out of blueberry juice, or you can buy litmus paper or use an indicator solution that you can buy at the store.
Universal pH paper is a type of paper used to find the pH level of a solution and is an indicator.
The pH of a substance can be found by using a litmus indicator.
use universal indicator
You use universal indicator or litmas paper and then judging by the colour it goes you can find out the pH
cabbage juice is a natural pH indicator
a pH indicator
Each indicator has a specific change of color when the pH is changed.
How do you find pH of a solution with no indicator? Well if you don't want to use pH meter, the only other way to find out is using the pH paper which turns into different colours respectively to the pH of the solution, that is not too accurate,...
An indicator can provide exact pH if you are using the neutralization titration. Paper strip pH indicator are not an exact measurement but a high, medium, and low indication of acids and bases.
pH range of indicator should be in the rapid pH gradient.