Question

What is mean by red and blue litmus

Answer 1

this are two type of indicator which uses to find presence of acid and base

Answer 2

hello friend...

Red and Blue litmus paper are the indicators which help us to identify whether the solution is acidic, basic or neutral......

If solution changes red litmus into blue then it is basic..


If solution changes blue litmus into red then it is acidic.

If the solution neither change into blue nor red then it is neutral...

hope it helps you..