Question

blue litmus turns red when it reacts with​

Answer 1

Answer:

acids

Explanation:

this happens due to the reaction of the blue pigment in the litmus solution and the H+ ions furnished in the acid.

hope that helped!mark it as the brainliest if you found it helpful

cheers!

Answer 2

Answer:

$blue \: litmus \: turns \: red \: when \: it \: \\ reacts \: with \: acid \\ \\ red \: litmus \: turns \: blue \: when \: it \: \\ reacts \: with \: base$

hope it helps uH :)