Question

turn red litmus to blue​

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

Base turns red litmus paper to blue litmus paper.

⭐ As the acid turns blue litmus to red litmus.