Depends on the litmus paper. Red litmus will not turn but blue litmus will turn redish pink.
will remain red
it turns into red colour
Hydrochloric acid will keep litmus red - it needs alkali to turn it blue
it will turn blue because red litmus paper represents alkaline and blue represents acid
white
Red!
will remain red
Blue litmus paper will turn to red because hydrochloric is an acid. In aqueous solutions,acid change blue litmus paper to red. In aqueous solutions,base change red litmus paper to blue.
Red
blue
red
it turns into red colour
Hydrochloric acid will keep litmus red - it needs alkali to turn it blue
As soap is alkaline in nature, it turns red litmus paper blue
it will turn blue because red litmus paper represents alkaline and blue represents acid
It turns blue. Since chalk ( CaCo3) is a base and when pink litmus paper reacts with a base it turns blue
white