Question

Few drops of red litmus solution were added to each one of the following

Substances .Which one turns red litmus solution blue ?
PLEASE TELL ​

Answer 1

Answer:

a red litmus solution turns blue

when a base , basic solution and alkaline solution is added to it

if we put a drop of basic or alkaline solution in red litmus paper it turns blue

so the ans is base , basic solution or alkaline solution

hope it helps