Question

How to identify a substance is acidic and neutral in nature by using red litmus paper

Answer 1

Answer:

if you took red litmus paper on enter a tone acid that it will remain raid but if you put the red litmus paper into and base then it will turn it colour into blue now same for the blue Litmus Paper if you put blue Litmus Paper into a base it will not change its colour but if you put the blue Litmus Paper into the acid it will convert sit colour from black to red

Answer 2

Answer:

The main use of litmus is to test whether a solution is acidic or basic. Blue litmus paper turns red under acidic conditions and red litmus paper turns blue under basic or alkaline conditions, with the color change occurring over the pH range 4.5–8.3 at 25 °C (77 °F). Neutral litmus paper is purple.