Question

which litmus paper turns red or blue on adding acid and base?
please reply fast
tomorrow my exam is there​

Answer 1

Answer:

The main use of litmus is to test whether a solution is acidic or basic. Light 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.

Answer 2

Answer:

red litmus turns blue in basic solution

blue litmus turns red in acidic ssolution