Question

science Mein indicator Kis chij Se Banta Hai vah indicator Jo F8 ko pata karta hai ki vah Aise term loan Litmus to Red and red litmus to blue ​

Answer 1

The litmus paper is called an indicator because it is used to indicate whether the solution is an acid or a base. If the red litmus paper turns blue, the solution is basic (pH>7); if the blue litmus turns red the solution is acidic